a fairgrounds ride spins its occupants inside a flying saucer-shaped container. if the horizontal circular path the riders follow has a 5.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 1.90 times that due to gravity?

The gravitational potential energy of the skydiver is 4.2 × 10⁷.

The amount of work done on an object is directly proportional to the force applied on the object and the distance it moves in the direction of that force. The speed of an object does not directly affect the amount of work done on it. However, if the force and distance are constant, the work done on an object will be greater if it is moving at a higher speed because the object will have greater kinetic energy.

In addition, the time taken to do the same amount of work on an object will be less if it is moving at a higher speed, as the work is done over a shorter period of time.

The required details for gravitational in given paragraph

Joules (120 x 9.8 x 3500)

= 42,000,000 or 4.2 × 10⁷

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A boat can move at 30 km/h in still water, so to move 12 km upstream in a river flowing 6.0 km/h, it will take 20 minutes.

Water is referred to as still water when its motion is zero, or when it is still. Motionless water is defined as water that remains still, not flowing, and has no current, such as in rivers and streams. Therefore, a boat's relative speed on calm water is equal to 12 (a + b) km/hr. The stream is moving at a pace of 1/2 (a - b) km/hr.

Moving upstream, or against the flow of water, refers to a boat  going against the current. The distinction when speaking about water in rivers and streams is that upstream is in opposition to the water flow and in the direction of the water's original source (where the river originates).

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The final velocity of the combined mass of the fullback and the two linebackers is 4.09 m/s.

To find the velocity of the combined mass of the fullback and the two linebackers, we need to use the principle of conservation of momentum. This principle states that the total momentum of an isolated system remains constant if no external forces act on it.

First, we need to find the initial momentum of the fullback by multiplying his mass (90 kg) by his velocity (5.0 m/s):

Initial momentum of fullback = 90 kg * 5.0 m/s = 450 kg m/s

Next, we need to find the initial momentum of the two linebackers by multiplying each of their masses by their velocities:

Initial momentum of first linebacker = 73 kg * 3.0 m/s = 219 kg m/s

Initial momentum of second linebacker = 73 kg * 4.0 m/s = 292 kg m/s

Now, we need to add the initial momentum of the three individuals to find the total initial momentum:

Total initial momentum = 450 kg m/s + 219 kg m/s + 292 kg m/s = 961 kg m/s

Since the final velocity of the combined mass is going to be the same as the initial momentum, we can say:

Final velocity = 961 kg m/s / (90 kg + 73 kg + 73 kg) = 961 kg m/s / 236 kg = 4.09 m/s

Therefore, the final velocity of the combined mass of the fullback and the two linebackers is 4.09 m/s.

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The smallest value of resistance that we can measure is 74 Ω(ohm), if the maximum power supply is 500 ma and the supply voltage is 37 V.

According to Ohm's law, the current in a conductor is directly proportional to the potential difference between its two ends. In other words, the ratio of the potential difference(V) and the electric current(I) is a constant in a conductor. This constant is called "resistance(R)". its unit is Ω(ohm). Mathematically,

V = IR

R = V/I

The maximum current, I = 500 ma = 500 × 10⁻³ A

Voltage supply, V = 37 Volts

R = 37/ (500 × 10⁻³) = 74 Ω

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Barometric column, barometer column, etc. mercury barometer: a device that uses a mercury column to measure the height of the column (in inches of mercury) to determine atmospheric pressure.

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You may calculate the average load current—the average diode current—by dividing the average load voltage by the average load resistance.

Vavg = 15.45 V

Diode conduction is 7.11 percent.

Iavg = 0.232 A

Ip = 0.449 A

Case (ii) (ii)

Vavg = 16.18 V

Diode conduction is 2.25 percent.

Iavg = 0.735 A

Ip = 1.453 A

The transformer's secondary side has a voltage of

= Vpri/turn ratio

Vrms = 120/10 = 12 V

Peak voltage and rms voltage have the following relationship:

Vp = Vrms / 2.

Vp = 12√2 = 16.97 V

Vd = 0.7 V

We will first determine all the necessary variables for the ripple voltage of 10%, and then for the ripple voltage of 1%.

10% of the highest output in scenario I

What average output voltage is produced?

Vavg = Vp - Vd - 0.5Vr is the average output voltage.

Vp is the maximum output voltage.

Diode voltage drop is denoted by Vd, while ripple voltage is denoted by Vr, which is expressed as a percentage of Vp.

Vavg = 0.5Vr + Vp - Vd

Vavg = 16.97 - 0.7 - 0.5[0.1(16.97 - 0.7)]

Vavg = 15.45 V

(b) The diode conducts what percentage of the cycle?

= Vd - 2Vr/Vp

Vp- Vd = 2*0.1 (Vp-Vd)/Vp

ω = √2*0.1(16.97-0.7)/16.97 - 0.7

ω = 0.447 rad

Diode conductance equals (/2)*100

Diode conductance is (0.447/2)*100

Diode conduction is 7.11 percent.

The typical diode current is (c).

Iavg = Vavg/R[1 + (2(Vp - Vd)/0.1(Vp-Vd))] is the formula for average current.

Average current is equal to Iavg, which is 15.45/1000[1 + (2(16.97 - 0.7)/0.1(16.97-0.7)]

Iavg, or average current, is 0.232 A.

(d) How much diode current peaks at?

Peak current is defined as Ip = Vavg/R[1 + 2(2(Vp - Vd)/0.1(Vp-Vd)]

Peak current is expressed as Ip = 15.45/1000[1 + 2](2(16.97 - 0.7)/0.1(16.97-0.7)]

Peak current is 0.449 A, or Ip.

What average output voltage is produced?

Vavg = 16.97 - 0.7 - 0.5[0.01(16.97 - 0.7)]

Vavg = 16.18 V

(b) The diode conducts what percentage of the cycle?

Vp - Vd = 2*0.01(Vp-Vd)

ω = √2*0.01(16.97-0.7)/16.97 - 0.7

ω = 0.1417 rad

Diode conductance is (0.1417/2)*100

Diode conduction is 2.25 percent.

The typical diode current is (c).

Average current is equal to Iavg, which is 16.18/1000[1 + (2(16.97 - 0.7)/0.01(16.97-0.7)]].

Average current is 0.735 A (Iavg).

(d) How much diode current peaks at?

Peak current is expressed as Ip = 16.18/1000[1 + 2](2(16.97 - 0.7)/0.01(16.97-0.7)]

Peak current is 1.453 A, or Ip.

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The forces F2 and F3 are the forces that would do a negative work.

We have to to note that the term work has to do with the product of the force and the distance of the object that has been covered in the direction of the force.

Now we know that we have the system of forces that is acting at a common point. We must note that the quadrant in which the force falls is what would tell us the kind of work that the force would have to do.

The forces that are in the negative quadrants are the ones that would do a negative work.

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The directions she gives are as follows: 1. Move 400 meters to the northwest. 3. The wealth is hidden there, 700 meters to the east-southeast.

Change inside an object's position in relation to a reference frame is known as displacement. For instance, a billiards ball moves of one spot to another when one player strikes it. It is alleged to have moved. A vector quantity with both size and direction is displacement.

The spacing between two specified points is represented by the one-dimensional quantity of displacement (symbolized as d or s), commonly known as length or distance. The meter serves as the standard displacement unit in the International Unit System (SI) (m).

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Answer:

To calculate the speed of the bullet, we can use the equation v = rωθ, where r is the distance between the disks, ω is the angular speed, and θ is the angular displacement of the bullet holes. In this case, v = 99 cm(2π/60)(26°/360) = 7.8 m/s. Therefore, the speed of the bullet is 7.8 m/s.

The frequency of a wave is the wide variety of oscillations or cycles according to unit of time, commonly measured in hertz (Hz). The objects total distance is 700 m.

The wavelength is the distance between  consecutive peaks or troughs in a wave, normally measured in meters. The velocity of a wave is the distance it travels consistent with unit of time, generally measured in meters in keeping with 2d. The connection among frequency, wavelength, and velocity is defined by way of the equation: velocity = frequency x wavelength.

This courting is referred to as the wave equation. As frequency increases, wavelength decreases and as frequency decreases, wavelength will increase.

The total distance of the object is

500 m + 200 m

= 700 m.

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The index of refraction of gas will be 1.008 units.

The number of wavelengths originally in the cylinder is m1 = 2L/λ when light is counted in both directions.

It transforms into m2 = 2L/λ/n gas.

= 2ngasL/λ​

As the cylinder is filled with gas,

If N is the number of bright fringes passing,

N = m2 - m1

= 2L/λ (ngas - 1) or,

The index of refraction of the gas is,

ngas =1 + Nλ/2L = 1+ (221)(502 x 10⁻⁹ m)/2(3.99 x 10⁻²)

= 1.008 units

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Answer:

Option C.   10 m/s²

Explanation:

First we need to find the mass of the object.

We can use Newton's second law to evaluate the mass of the object.

Newton's second law says that the net force of is equal to the mass times it acceleration.

[tex]F_{net} =ma[/tex]

Lets solve for [tex]m[/tex].

Divide each side by [tex]a[/tex].

[tex]m=\frac{F_{net} }{a}[/tex]

We are given

[tex]F_{net} =45\\a=5[/tex]

Lets evaluate [tex]m[/tex].

[tex]m=\frac{45}{5}[/tex]

[tex]m=9[/tex]

Now we can find the object's acceleration if the force doubles.

[tex]F_{net} =ma[/tex]

Lets solve for [tex]a[/tex].

Divide each side by [tex]m[/tex].

[tex]a=\frac{F_{net} }{m}[/tex]

Doubling the force of 45 N leaves us with a force of 90 N.

[tex]a=\frac{90}{9}[/tex]

[tex]a=10[/tex]

We can see that the object's acceleration is directly proportional to the net force and inversely proportional to the object's mass.

The Coriolis effect describes the deflection pattern experienced by an object that is not firmly anchored to the ground as it travels long distances around the Earth. Many large-scale weather patterns are caused by the Coriolis effect.

The rotation of the Earth is important for the Coriolis effect. In particular, the Earth rotates faster at the equator than at the poles. Because the Earth is wider at the equator, the equatorial region must travel about 1,000 kilometers (1,000 miles) per hour to make one revolution of her in 24 hours. The Earth rotates slowly near the poles at 0.00008 kilometers (0.00005 miles) per hour. If you play catch anywhere in the northern hemisphere, the ball will curve to the right.

Apparent deflection is due to the Coriolis effect.

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Atoms join to form chemical groups called molecules, which in turn join to form compounds.

A molecule is a group of two or more atoms that are chemically bonded together. The bonding is achieved through the sharing or exchange of electrons between the atoms. The atoms in a molecule can be the same or different elements and can be arranged in various ways to form different types of molecules.

Molecules can be either simple or complex, depending on the number of atoms and the types of chemical bonds that hold the atoms together. Simple molecules, such as H2 and O2, are composed of only a few atoms, while complex molecules, such as proteins and DNA, can contain hundreds or even thousands of atoms.

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The statement which correctly describes the all of these given blood cell types is option C. They perform functions that air in maintaining homeostasis.

Any self-regulating mechanism called homeostasis helps biological systems to maintain stability while responding to environmental factors that are best for survival. If homeostasis is achieved, life goes on; if it is not, catastrophe or death result.

The stability obtained is actually a dynamic equilibrium, where circumstances are mostly uniform yet change is constant. All the bodily systems must be in a condition of equilibrium for the body to live and work properly.

When the body is in homeostasis, its levels of acid, blood pressure, blood sugar, electrolytes, energy, hormones, oxygen, proteins, and temperature are maintained at a normal level by being continually adjusted in response to changes both inside and outside the body. Hence, option C is correct.

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The 0.80 m is the starting height of the car at the top of a frictionless track.

What is frictionless?

Frictionless is a type of technology that enables activities or processes to occur without resistance or difficulty. It is used in a variety of fields, from banking to digital marketing, and it generally involves the use of software or other digital tools that simplify complex tasks and make them easier to accomplish. With frictionless technology, users are able to perform tasks faster, more securely and with minimal effort. For example, in banking, frictionless technology is used to enable customers to make payments or transfers without having to enter their credentials or payment information each time. Similarly, in digital marketing, frictionless technology is used to enable customers to make purchases without having to enter their billing information multiple times.

The 0.50 m is the diameter of the loop that the car goes through. The 0.25 m is the height of the car when it exits the ramp.

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No, it doesn't seem like the distribution is normal. A data set must (when graphed) follow a bell-shaped, symmetrical curve that is centered around the mean in order to be regarded as having a normal distribution.

The best way to determine whether a frequency distribution looks to have a normal distribution is to look at a histogram. Plot a histogram and study the bar shapes. The distribution is generally regularly distributed if the bars have the shape of a bell or a hill, as in the figure below. A theoretical continuous, symmetrical bell-shaped distribution function represents a normal frequency distribution. The bell curve's mean, mode, and median are all the same, and both of its tails are indefinitely long.

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complete question: Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria. Temperature ​(degrees​F) 35 - 39, 40 - 44, 45 - 49, 50 - 54, 55 - 59, 60 - 64, 65 - 9 frequency 3, 0, 6, 12, 8, 6, 1.

(a) No, the distribution does not appear to be normal.

(b) Yes, all the requirements are met.

(c) No, the frequencies do not decrease from the maximum frequency to a low frequency.

By performing a physics demonstration in front of the students. F is 9.79 x 108 newtons.

Given,

Mr. Gewanter weighs 60 kilograms (kg).

The weight of Martha is 55 kg.

d = 1.5 meters separates them.

The equation F = GMm/d2 newton determines the gravitational force between them.

changing the given values in the equation above

F = (6.673 x 1011 x 60 x 55)/1.52 = 9.79 x 108 newtons.

As a result, F = 9.79 x 108 newton is the gravitational pull Mr. Gewanter has on Martha.

A geostationary satellite travels in a circular path around the planet with a 36,000 km radius. The orbital period of a spy satellite will then be roughly (Re = 6400 km), orbiting a few hundred kilometers above the surface of the planet.

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The visual phenomenon in which an elongated object moving towards or away from the viewer appears compressed and shorter than its actual length is called linear perspective.

Linear perspective is based on a fixed point of view. A visual phenomenon in which an elongated object projected toward or away from the viewer appears to be compressed shorter than it actually is. Linear perspective is a system that creates the illusion of depth on a flat surface. All parallel (perpendicular) lines in a painting or drawing using this system converge at a single vanishing point on the horizontal line of the composition. An example of linear perspective is the obvious convergence of two parallel lines, especially when viewing a long two-lane highway.

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The tangential speed, v, must the bob have so that it moves in a horizontal circle with the string always maintaining an angle θ from the vertical is √mgLsinθtanθ.

Given the mass of bob = m

length of string = L

The angle the string of pendulum makes with cone =  θ

The tangential speed the bob moves = v

the vertical component of tension must support the weight of the bob which is represented as: Tcosθ = mg where g is acceleration due to gravity.

the horizontal component of tension must equal the centripetal force acting on the bob which is: Tsinθ = v^2/r where r is the radius of orbit.

However, we know that, r = Lsin(θ) then Tsinθ = v^2/Lsin(θ)

Then Tsinθ/Tcosθ = v^2/(mg x Lsin(θ))

tanθ = v^2/mgLsinθ

then v = √mgLsinθtanθ

Hence the tangential speed the bob moves with is √mgLsinθtanθ

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a. The acceleration of the object is calculated to be 6.36 m/s².

b. During the first 11 seconds, the object travels 385 m.  

c. The average velocity of the object during the first 11 seconds is 70 m/s.

d. The final velocity is 31.8 m/s.

e. The object's displacement at this time is 79.5 m.

Speed of the object = 70 m/s  

Time = 11 sec

The acceleration of the object is described to be the rate of change of speed.

So, acceleration = 70/11= 6.36 m/s²

From the equations of motion, we know, s = ut + 1/2 a t²

As, u = 0 here, s = 1/2 a t²

s = 1/2 (70/11) 11² = 385 m

The following formula is used to determine the object's initial displacement,

s₀ = ut

s₀ = 0

After the first 11 seconds, the object's displacement is determined as follows,

s₁ = v t

s₁ = 70 × 11 = 770 m

The object's average velocity is computed as follows:

v = (s₁ - s₀)/t = (770-0)/11 = 70 m/s

Hence, the average velocity of the object is 70 m/s.

Relation between initial, final velocity, acceleration is

v = u + a t

v = 0 + 6.36 × 5 = 31.8 m/s

To find displacement, let us use the equation, v² - u² = 2 a s

Making s as subject, we have, s = (v² - u²)/2 a = (31.8² - 0)/(2 × 6.36) = 79.5 m

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The magnitude of the electric field (in V/m) in the region between the plates is 20.35x10^5V/m.

Given the distance between the plates (d) = 1.4cm = 1.4x10^-2m

The potential difference across the plates is (V)  = 28.5kV = 28.5x10^3V

The electric field between two parallel conducting plates is dependent on the voltage or potential difference between the two plates as well as their separation from one another. The two charged parallel plates would carry their total charges since an electric insulator separates them. Because the two parallel charged plates are kept apart from one another, a homogenous electric field is created there.

According to Coulombs law E = V/d such that

E = 28.5x10^3V/1.4x10^-2m = 20.35x10^5V/m

Hence the required magnitude of the electric field is 20.35x10^5V/m

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4. 90 degrees angular direction of the cannon produces the greatest projectile height.

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Answer:

671,3 Newtons

Explanation:

Fg=mass×g

The aircraft takes off from the runway with its brakes locked. At such a speed of 200 fps, the aircraft takes off. Find out when the plane will arrive.

How quickly do airplanes take off and land?

The ground run can be a little bit longer if a decreased power takeoff is being performed. Prior to takeoff, a typical commercial aircraft accelerates to a speed of 120–140 knots. It will need a strong sustained acceleration to complete it in 30 to 35 seconds. Pilots watch for this as they roll out for takeoff.

What is the total vertical force acting on the aircraft when it takes off?

When a result, there is no net vertical force acting on the aircraft as it takes off. When a result, there is no net vertical force acting on the aircraft as it takes off. The net vertical force acting on the aircraft as it ascends is therefore 65000 Newton.

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The work done in case a) is positive, in case b) is negative and in case c) is positive.

Work is said to be done when the displacement is occur in the direction of the applied force.  

W = F×d×cosθ

Where F is the force, d is the displacement and θ is the angle between the displacement and the direction of the force.

In case a) as the work is done against the direction of the gravity so the work is positive. In case b) the weight of the buckets acts in downwards direction, that is the direction of the acceleration due to gravity. So the work is negative. In case c) the bucket were lowered, it means the displacement is in the direction of the applied force. Hence the work done is positive.

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Two units of measurement are necessary to describe the speed, are meter and second.

Speed of an object is nothing but the distance travelled by the object in unit time. A freely falling ball experience the acceleration due to gravity in the downward direction. The value of acceleration due to gravity of the earth is roughly taken as 10 m/s². If the initial speed is 20 m/s. and Time, t = 1 sec. Then speed in the next second will be v = u + at

v = 20 + 10 × 1

v = 30 m/s

Meter is the SI unit of length or distance and second is the SI unit of time.

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Your average velocity for the journey has been 94.57 km/h.

The average velocity of an object is the ratio of total displacement to the total time of motion of an object.

V = ( total displacement ) / ( total time )

The total displacement of your journey is calculated as;

x = 485 km - 154 km

x = 331 km

The total time of the motion is calculated as;

t = 4:30 - 1:00 = 3:30 = 3.5 hours

v = x / t

v = ( 331 km ) / ( 3.5 hr )

v = 94.57 km/h

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1.1.1: The force, which is 61.4 N and inclined at a 34.4° angle to the horizontal,

1.1.2: The resultant force is 30.8° inclined to the horizontal and is 66.9 N in magnitude.

How does vector addition work?

The process of adding vectors together to determine the resulting force is known as vector addition.

Vector addition is the theory that was applied in this question

The steps involved in adding vectors are as follows:

First, use the two provided vectors and the resulting vector to scale up a vector diagram.

Step 2: Apply the Pythagorean theorem to determine the magnitude of each vector.

Calculate each vector's angle with respect to the horizontal in step three.

4th step: Apply the  Use the law of cosines to find the magnitude of the resultant vector

Step 5: Use the law of sines to find the angle of the resultant vector with respect to the horizontal.

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