Answer:
We don't know how much it cost bc u didn't give us a number of how much one person cost or any details but if you add both of the balls together they have 1,400 balls
To calculate the cost of paintballing for Ryan and his dad, we need to know the cost per paintball. Once we have that information, we can multiply it by the total number of paintballs they used (700 balls each).
Let's say the cost per paintball is $0.50.
For Ryan:
Cost for Ryan = Cost per paintball × Number of paintballs used by Ryan
Cost for Ryan = $0.50/ball × 700 balls = $350
For his dad:
Cost for Dad = Cost per paintball × Number of paintballs used by Dad
Cost for Dad = $0.50/ball × 700 balls = $350
Total cost for both of them:
Total Cost = Cost for Ryan + Cost for Dad
Total Cost = $350 + $350 = $700
So, the total cost of paintballing for Ryan and his dad is $700, assuming the cost per paintball is $0.50.
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Which statement about a HORIZONTAL projectile is false?
The horizontal velocity is constant.
The horizontal acceleration is constant.
The vertical velocity is constant.
The vertical acceleration is constant.
Answer:
the vertical velocity is constant.
Explanation:
The horizontal velocity of a projectile is constant (a never changing in value), There is a vertical acceleration caused by gravity; thus, the vertical velocity of a projectile changes. and the horizontal motion of a projectile is independent of its vertical motion.
A ball is falling toward the ground. Which of the following statements are false? (a) The force that the ball exerts on Earth is equal in magnitude to the force that Earth exerts on the ball. (b) The ball undergoes the same acceleration as Earth. (c) The magnitude of the force the Earth exerts on the ball is greater than the mag- nitude of the force the ball exerts on the Earth.
Hi there!
(A) The force that the ball exerts on Earth is equal in magnitude to the force that Earth exerts on the ball.
Gravitational force is an example of an action-reaction pair:
[tex]F_{1,2} = -F_{2,1}[/tex]
Gravitational force is given by the equation:
[tex]F_g = \frac{Gm_1m_2}{r^2}[/tex]
Plugging in the masses of the Earth and ball, gravitational constant, and radius will result in the SAME GRAVITATIONAL FORCE exerted by both objects on each other.
The kinetic energy of an object can sometimes be greater than a potential energy a originally possessed, true or false?
Answer:
true
Explanation:
Energy stored in the nuclei of atoms can be used to generate electricity. ... Most of the energy of food is converted to heat.
when two waves in the same medium hit each other, the resulting displacement of the medium is
Explanation:
The resulting displacement of the medium during complete overlap is -1 unit. This is still destructive interference since the two interfering pulses have opposite displacements.
Alejandro Kirk is the catcher for the Blue Jays’ baseball team. He exerts a forward force on the 0.145-kg baseball to bring it to rest from a speed of 38.2 m/s. During the process, his hand recoils a distance of 0.135 m.
Determine is the acceleration of the ball.
Determine the force applied by Alejandro.
Answer:
a= -5404.6 [m/s²]; F=785.75 [N].
Explanation:
1. Determine is the acceleration of the ball:
equation of the distance (0.135m) is:
[tex]S=-\frac{at^2}{2} +v_0t,[/tex] where S=0.135[m]; a - required acceleration; t - elapsed time; v₀ - initial velocity (38.2 m/s);
also the required acceleration is:
[tex]a=\frac{v-v_0}{t}, where[/tex] V - the end velocity (0 m/s), t - elapsed time, ₀ - initial velocity (38.2 m/s).
Using the equations of reqruired acceleration and the distance it is possible to make up and solve the next system:
[tex]\left \{ {{a=-\frac{38.2}{t} } \atop {S=-\frac{at^2}{2}+38.2t }} \right. \ => \ \left \{ {{a=-\frac{38.2}{t} } \atop {0.5at^2-38.2t=0.135}} \right. \ => \ \left \{ {{a=-\frac{38.2}{t} } \atop {19.1t-38.2t=0.135}} \right. \ => \ \left \{ {{a=-5404.6} \atop {t=0.007}} \right.[/tex]
finally, a≈-5404.6 [m/s²].
2. Determine the force applied by Alejandro.
the energy is:
[tex]E=\frac{mv^2}{2}; \ or E=FS, where \ m-the \ mass; \ v-velocity; \ F-required \ force; S-distance;[/tex]
According to these two equations, the required force is:
[tex]F=\frac{E}{S}=\frac{mv^2}{2S};[/tex]
F=0.145*38.8²/2/0.135≈785.75 [N].
note, the suggested way is not the shortest one and not the only one.
P.S. if it is possible, check the arithmetic operations and the provided answers in other sources.
Density of water is-
Answer:
The density of water is around 997 kg/m³ of 1 gran per millilimeter
PLEASE PLEASE PLEASE HELP ME!!!
Answer: Levers
Explanation: Levers lifte
the machines arm
What is the kinetic energy of a 100kg ship moving along the water at a rate of 10m/s?
Answer:
5000 JExplanation:
The kinetic energy of an object can be found by using the formula
[tex]k = \frac{1}{2} m {v}^{2} \\ [/tex]
m is the mass in kg
v is the velocity of the object in m/s
From the question
m = 100 kg
v = 10 m/s
We have
[tex]k = \frac{1}{2} \times 100 \times {10}^{2} \\ = 50 \times 100 \\ = 5000 \: \: \: \: \: \: \: \: [/tex]
We have the final answer as
5000 JHope this helps you
what is the purpose of delivering medical aid through drones
Determine the kinetic energy of a 1500 kg roller coaster car that is moving with a speed of 35.0 m/s.
Answer:
kinetic energy equation is 85,714.2857 kg.
Explanation:
Một oto đang chuyển động thẳng đều với vận tốc 36km/h thì hãm phanh sau 20s thì ô tô dừng lại quãng đường oto đi được là
Explain how potential and kinetic energy are at play when we talk about Newton’s second law of motion?
Answer:
represents the energy the object possesses by virtue of its motion. ... This type of energy is generally known as kinetic energy. Thus, Equation (16) states that any work done on point object by an external force goes to increase the object's kinetic energy.
Explanation:
The relation between some bodies are involved by Object's position and motion, i.e., through potential and kinetic energy in which it actually explained by Newton's second law of motion.
What is Newton's second law of motion?
Definition:
Newton's second law states that force is equal to the rate of change of momentum, i.e., the mass and velocity.
It can be written as F = mv where m is mass and v is velocity. Potential energy can be described by a body's position while kinetic energy is possessed by a body's motion. Both forms of energy are influenced by forces and are equal to the total momentum. Momentum can be described by explaining the mass and velocity of the object.Learn more about Newton's second law of motion,
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A kitchen has a water supply, an electricity supply and electric lighting there are several electrical appliances in the kitchen including a toaster, akettle a clothes iron, a microwave oven and a dishwasher discuss three hazards of using electricity in this kitchen ?
The hazards of using electricity in this kitchen include the following below:
Risk of electric shocks: These electrical appliances use an electric source for their various functions in which electric current flows through them when
turned on. Exposure and contact of the naked wire with individuals will bring
about shock.
Risk of burns: The kitchen has various heating appliances such as toaster,
kettle,iron and oven which may result in burns if not carefully handled.
Risks of fire : The heat and electric current from these appliances can trigger a spark and fire which may raze down the building is also another hazard.
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Determine the work done by the force Fx=(6x-4)N as the object moves from x1=0 to x2=3 m.
Answer:
15J
Explanation:
Let's assume force and motion have the same direction, so the dot product between the two reduces to the product of magnitudes.
If you studied calculus: [tex]w= \int \limits^3_0 6x-4dx[/tex], by definition. Some "easy" math, that's [tex](3x^2-4x)\limits^3_0=27-12 - 0 = 15 J[/tex]
Else. we have to take the long way. if the force was constant, and you plotted magnitude of the force vs position in a graph, you would get an horizontal line, and your work would be the area between the line and the x axis. And there is no reason why it shouldn't be the same for a variable force - if you think about it, it's the same way they justify the position formula for an accelerated motion. Let's graph it and start debating - sorry for my paint skills. We can easily say that in the green triangle the force is opposing the motion, so its work is negative, while in the blue area force and displacement go in the same direction, thus work is positive. Now it's just to calculate the area of two triangles
For the green one, it's a right triangle with side lengths 4 and 2/3, whose area is [tex]\frac12(4)(\frac23) = \frac43[/tex].
For the blue triangle, it's again a right triangle with side lengths 14 and 3-2/3= 7/3, whose area is [tex]\frac12(14)(\frac73) = \frac{49}3[/tex]
Our total work is the difference between the two, or [tex]w= \frac{49}3-\frac43 = \frac{45}3 = 15[/tex]
this painting represents the milky way galaxy as it would appear edge-on from a distance. label the indicated features; be sure to pay attention to where the leader lines are pointing.
The galaxy is known to contain stars of different ages. The indicated features as it points from left to right are;
globular clusters bulge haloBottom row
Both are disksThe Milky Way Milky exist because our Sun (a star) and all the planets close to it are part of a galaxy called the Milky Way Galaxy.
A galaxy is known to be a large group of stars, gas, and dust bound together by the force of gravity.
Our galaxy is called by the name the Milky Way because it is usually seen or it appears as a milky band of light in the sky when you view it in a really dark area.
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what is the main difference between a substance going through a physical change and one going through a chemical ?
Answer: Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Answer:
just give the other person brainlyest
Explanation:
According to the principle of regularity, it is recommended that an individual exercise.
A 3-4 days per week at the beginning and progress to 4 or 5 days a week as your fitness improves.
B 7 days per week at the beginning and progress to 4 or 5 days a week as your fitness improves.
C 3-4 days per week at the beginning and progress to 7 days a week as your fitness improves.
D 1-2 days per week at the beginning and progress to 5 or 6 days a week as your fitness improves.
Answer:
Socratic app
Explanation:
it will help you
the homogenvity of s=ut+1/2at^2
You increase your walking speed from 1 m/s to 3 m/s in a period of 1 s.
What is your acceleration?
5 m/s2
3 m/s2
2 m/s2
4 m/s2
Answer:
2 m/s2
Explanation:
|acceleration| = (change in speed) divided by (time for the change)
Change in speed = (end speed) minus (start speed)
Initial speed of walking = 1 m/s
Final speed of walking = 3 m/s
Change of speed in walking = (3 - 1) m/s
= 2 m/s
Time in which the change of speed occurred = 1 sec
Then
Acceleration = Change of Speed/ Time taken
= 2/1 m/s^2
= 2 m/s^2
Therefore the answer is 2 m/s2.
The acceleration is 2 m/s².
What is acceleration?Acceleration can be defined as the rate of change of velocity.
The acceleration can be calculated using the formula below.
Formula:
a = (v-u)/t................... Equation 1Where:
a = accelerationv = Final velocityu = Initial velocityt = time.From the question,
Given:
v = 3 m/su = 1 m/st = 1 secondsSubstitute these values into equation 1
a = (3-1)/1a = 2 m/s².Hence, The acceleration is 2 m/s².
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Question 2 (1 point)
Potential energy depends on...
Speed and velocity
Position or shape
Length and color
Density and volume
Answer:
potential energy depends on position or shape
Jake walked 10 meters in 5
seconds. What was his speed?
A. 2 m/s
B. 0.5 m/s
C. 50 m/s
D. 15 m/s
Answer:
[tex]\boxed {\boxed {\sf A. \ 2 \ m/s}}[/tex]
Explanation:
Speed is the distance traveled per unit of time, or how fast an object is moving.
It is calculated by dividing the distance by the time.
[tex]s= \frac{d}{t}[/tex]
Jake traveled 10 meters in 5 seconds.
d= 10 m t= 5 sSubstitute the values into the formula.
[tex]s= \frac{10 \ m}{5 \ s}[/tex]
Divide.
[tex]s= 2 \ m/s[/tex]
Jake's speed was 2 meters per second and choice A is correct.
when calculating the binding energy, what is z multiplied by?
When calculating the binding energy, z multiplied by the sum of mass of proton and mass of electron.
What is z in binding energy?Z in binding energy calaculation is the number of protons in the nuclides.
Formula for binding energyTo calculate the binding energy we use the formula below;
E = Z (mp + me) + Nmn − mn
Where;
Z is the number of protons in the nuclides N is the number of neutronsmp is mass of protonme is mass of electronThus, when calculating the binding energy, z multiplied by the sum of mass of proton and mass of electron.
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Entomology is the application of__________ to be used in a criminal investigation??
A/ soil science
B/insect science
C/plant science
D/glass science
A bus speeds up from 5 m/s to 15 m/s in 20 seconds. How far did it go during the 20 seconds? (use KE1 to find a, then use that to find xf)
The distance the bus travelled in 20 seconds is 12.75 m
The first step is to write out parameters given in the question
Final velocity= 15
Initial velocity= 5
Time= 20
Distance= ?
V² + U²= 2as
15² + 5²= 2(9.8)s
225+25= 19.6s
250= 19.6s
s= 250/19.6
= 12.75
Hence the distance the bus travelled in 20 seconds is 12.75 m
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The weight of a 1,000 kg car is ______________ (pick best answer)
Group of answer choices
9800 N
102.4 N
1000 N
10000 N
What is the weight of a car with the mass of 1000 kg?
Answer: it is 9800 N.
Which of the following are equivalent to 1 Newton?
Answer:
1 kilogram meter per second squared?
What are nucleic acids, and what are their function and structure? Give an example
Different between sound wave and water wave
Water waves shake energy over the surface of the sea, while sound waves thump energy through the body of the air. Sound waves are compression waves. They're also called longitudinal waves because the air vibrates along the same direction as the wave travels.
Which sense is used to determine whether an object is something you might want to eat?
smell
sight
taste
all of the above
Answer: D, All of the above!
Explanation:
I just helped my daughter with this test and it was correct!! Good luck !!
What is the use of a hydrometer
Answer:
A hydrometer is an instrument used to determine specific gravity
Answer:
it is used determine specific gravity
Explanation:
and u can see them in use by measuring proof of moonshine