Name 2 different "limiting Factors" that limit the size of a population in a given ecosystem.
Answer: food, water, habitat, and mate.
Explanation: The common limiting factors in an ecosystem are food, water, habitat, and mate. The availability of these factors will affect the carrying capacity of an environment. As population increases, food demand increases as well
A 2.00kg block is attached to a horizontal ideal spring with a spring constant k=100Nm. The block-spring system is set on a horizontal surface with negligible friction. A graph of the potential energy U as a function of time t for this system is shown. The maximum displacement xMAX of the block from its equilibrium position and the maximum speed vmax of the block during the motion represented by the graph are most nearly
We have that for the Question, it can be said that the maximum velocity is
[tex]V_m = 1.414m/s[/tex]
From the question we are told
A 2.00kg block is attached to a horizontal ideal spring with a spring constant k=100Nm.
The block-spring system is set on a horizontal surface with negligible friction.
Generally the equation for the Potential energy is mathematically given as
[tex]P.E=\frac{1}{2}Rx_m^2\\\\2=\frax{1}{2}*100x_m^2\\\\x_m^2 = 0.04m\\\\x_m = 0.2m[/tex]
The PE is converted to KE, Therefore
[tex]KE = 2\\\\\frac{1}{2}MV_m^2 = 2\\\\V_m^2 = \frac{4}{M}\\\\V_m^2 = \frac{4}{2}\\\\V_m = \sqrt{2}\\\\V_m = 1.414m/s[/tex]
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Complete Question
A 2.00 kg block is attached to a horizontal ideal spring with a spring constant k = 100 N The block-spring system is set on a horizontal surface with negligible friction. A graph of the potential energy U as a function of time t for this system is shown. The maximum displacement IMAX of the block from its equilibrium position and the maximum speed Umat of the block during the motion represented by the graph are most nearly A IMAX = 2.0 m and UMAX 1.4" B UMAX = 1.4 and UMAX=0.20" с MAX 0.20 m and UMAX = 1.4" D IMAX 0.40 m and UMAX 1.4 E IMAX 0.04 m and UMAX 2.0"
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Many farmers harvest their crops in the fall and then let the leftover plant material stay on the ground over winter. How does this help prevent erosion?
Answer:
it grabs unto soil and keeps it clamped together it prevents this makes the soil harder to wash away
Answer:
When the leftovers are left in the autumn, they have two purposes:
- Preventing erosion; the roots remain in the ground, so they hold it tightly till the next planting of the crops.
- Fertilizing the soil with natural material; the roots will not rot quickly in the colder period of the year, but will start rotting much faster in the spring, thus they will enrich the soil.
HELP PLZZZZZZ AHHHHH
Answer: I think it's larger
Explanation: man im just trying to help you
stacie, who has a mass of 45 kg, starts down a slide that is inclined at an angle of 45 degree with the horizontal. If the coefficient of kinetic friction between stacie's shorts and the slide is 0.25, what is her acceleration
The acceleration of the mass sliding along the horizontal surface is 5.2 m/s².
The given parameters;
mass of the crate, m = 45 kgangle, = 45 degreescoefficient of kinetic friction, = 0.25The acceleration of the mass is calculated by determining the net force on the mass as shown below;
[tex]\Sigma F_{net} = ma\\\\Wsin\theta - F_k = ma\\\\mg sin\theta - \mu_k F_n = ma\\\\mg sin\theta - \mu_k mg\ cos\theta = ma\\\\g sin\theta - \mu_k g\ cos\theta = a\\\\g(sin\theta - \mu_k \ cos\theta ) = a\\\\9.8(sin\ 45 \ - \ 0.25\times cos \ 45) = a\\\\9.8(0.53) = a\\\\5.2 \ m/s^2 = a[/tex]
Thus, the acceleration of the mass sliding along the horizontal surface is 5.2 m/s².
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What force would be required to accelerate a 1,100 kg car to 0. 5 m/s2? N.
Answer:
550 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question
mass = 1100 kg
acceleration = 0.5 m/s²
We have
force = 1100 × 0.5 = 550
We have the final answer as
550 NHope this helps you
Answer:
If your filling in the blank on edge then its 550
Explanation:
what frequency of an electromagnetic wave having a wavelenght of 300,000km?
[tex]\huge \bf༆ Answer ༄[/tex]
As we know the relationship between frequency, wavelength and wave speed , we can infer that : -
[tex] \sf \: f = \dfrac{ v}{λ} [/tex]
Terms in the formula
f = frequency v = wave speed = 3 × 10⁸ m/s[ v of all electromagnetic waves is 3 × 10⁸ m/s]
λ = wavelength = 3 × 10⁵ kmλ = 3 × 10⁵ × 10³ mλ = 3 × 10⁸ mTime to find the frequency : -
[tex] \sf \: f = \dfrac{3 \times 10 {}^{8} }{3 \times 10 {}^{8} } [/tex][tex] \sf \: f = 1 \: sec {}^{ - 1} or \: hertz[/tex][tex]꧁ \: \large \frak{Eternal \: Being } \: ꧂[/tex]
If the velocity is 50 and the time is 5 seconds what is the acceleration?
Just divide the both, you will get the answer!
does it sound rude?
im sorry for that!
Answer:
10
Explanation:
difference between 1 hectoliter and one kiloliter
Answer: 100 and 1000
Explanation:
Using public transports.
Turn off the lights when not in use
Recycle and Reuse
No to plastic bags
Reduction of forest fires and smoking
Use of fans instead of Air Conditioner
Use filters for chimneys
Avoid usage of crackers
how do I put this in a paragraph.
under what condition could the weight of an object equal zero
does the cars mass alone determine whether the egg breaks?
Answer:
Sample answer: The mass of the car and the speed of the car (determined by the height of the hill) determine whether the car will break the egg.
A quantity that has its own unit and is not derived from another is called a .
Answer:
Derived quantities are derived from the Fundamental quantities and so the answer is Fundamental Quantity.
A quantity that has its own unit and is not derived from another is called a Fundamental quantity.
The given problem is based on the concept of Fundamental quantities. A fundamental quantity is a physical quantity which does not depends on any other quantities.
For example - Kilogram (kg) is a fundamental quantity, that is unique and it is used to determine the mass of any object.Meter (m) is the fundamental quantity that determines the length of dimensions. Second (s) is the fundamental quantity, that determines the time.Fundamental quantities are the independent quantities which are utilized for the derivation of another type of physical quantities, known as derived quantities.
Thus, we can conclude that a quantity that has its own unit and is not derived from another is called a Fundamental quantity.
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What is meant by collisions?
Answer:
come into conflict or opposition.
"in his work, politics and metaphysics collide
A train travelling along a straight track starts from rest at point A and accelerates uniformly to 10 m si in 20 s. It travels at this speed for 60 s, then slows down uniformly to rest in 40 sat point C. It stays at rest at C for 30 s, then reverses direction, accelerating uniformly to 5 ms. in 10 s. It travels at this speed for 30 s, then slows down uniformly to rest in 10 s when it reaches point B.
1. Plot a graph of the motion of the train.
II. Use your graph to calculate:
III. the train's displacement from point A when it reaches point C
IV. the train's displacement from point A when it reaches point 13
V. the train's acceleration each time its speed changes.
Please find attached photographs for your answer.
Hope it helps.
Do comment if you have any query.
SHORT ANSWER
Which of the balanced chemical equations below has a molar ratio
with the smallest difference between elemental sodium (Na) as a reac-
tant and the chemical formed as a product? Explain.
Use at least two sentences in your answer.
Word Count: (minimum - 10; maximum - 300)
a. 2Na + F2 = 2 NaF
b. 3Na + P = Na3P
c. Na + N2 2Na N
d. Na + 0 = 2 Na o
Answer:
A
Explanation:
the formula ,
From the given chemical equations,the one with molar ratio with smallest difference between elemental sodium (Na) as a reactant and the chemical formed as a product is equation 'a'.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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suppose A=3i-2j and B=-i-4j three vectors in xy plane A+B-C =0 what is the answer Ci
Answer:
Ax + Bx = 3 - 1 = 2
Cx = -2
Ay + By = -2 -4 = -6
Cx + Cy = -2 - 6
Then
Ax + Bx - Cx = 2 - (-2) = 0
Ay + By - Cy = -6 - (-6) = 0
C must have the form:
C = -2i - 6j
in an electromagnetic wave, the electric and magnetic fields are oriented such that they are
Answer:
The electric and magnetic fields are oriented such that they are perpendicular to one another and parallel to the direction of wave propagation.
In an electromagnetic wave, the electric field and magnetic field are oriented such that they are perpendicular to each other and perpendicular to the direction of propagation.
What are electromagnetic waves?Electromagnetic radiations are made of electromagnetic waves that are produced when an electric field and magnetic field come in contact with each other. Electromagnetic waves are oscillating electric and magnetic fields.
An electric field is generated by a charged particle and a force is exerted by it on other charged particles. Positive charges are accelerated in the direction of the field and negative charges are accelerated in the opposite direction of the field.
The Magnetic field is generated by a moving charged particle and force is exerted by it on other moving particles. The force is always perpendicular to the direction of their velocity.
The electric field and magnetic fields of EM waves are perpendicular to each other and are also perpendicular to the direction of propagation of waves.
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Please slove this i need answer fast
Answer:
I am not quite sure....
Explanation:
Explanation:
basically i, say the answer is w
A change of state, such as boiling, is an example of a chemical change. True or False?
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The given statement is false, change in state is considered as a physical chance because the state can be regained by using physical methods ~
for example boiling causes water to evaporate (converted into gaseous state) , but it can gain the liquid form again by Condensation ~
Answer:
False
Explanation:
This is False because boiling is not included in the chemical category.
Boiling is a PHYSICAL change, a chemical change is one or more substances combine or break apart to form new substances.
To learn more, read from the passage above the questions!
Hope this helped!!
The velocity (in m/s) of a free-falling object as a function of the height from which it is dropped is
v = 25 h. So, ignoring the air resistance, at what height should you drop a watermelon if you want
it to hit the ground at 50 m/s?
Answer:
Falling objects form an interesting class of motion problems. For example, we can estimate the depth of a vertical mine shaft by dropping a rock into it and listening for the rock to hit the bottom. By applying the kinematics developed so far to falling objects, we can examine some interesting situations and learn much about gravity in the process.
The most remarkable and unexpected fact about falling objects is that, if air resistance and friction are negligible, then in a given location all objects fall toward the center of Earth with the same constant acceleration, independent of their mass. This experimentally determined fact is unexpected because we are so accustomed to the effects of air resistance and friction that we expect light objects to fall slower than heavy ones.
A hammer and a feather will fall with the same constant acceleration if air resistance is considered negligible. This is a general characteristic of gravity not unique to Earth, as astronaut David R. Scott demonstrated on the Moon in 1971, where the acceleration due to gravity is only 1.67 m/s^2.
In the real world, air resistance can cause a lighter object to fall slower than a heavier object of the same size. A tennis ball will reach the ground after a hard baseball is dropped at the same time. (It might be difficult to observe the difference if the height is not large.) Air resistance opposes the motion of an object through the air, while friction between objects, such as between clothes and a laundry chute or between a stone and a pool into which it is dropped, also opposes motion between them. For the ideal situations of these first few chapters, an object falling without air resistance or friction is defined to be in free-fall.
Hope this helps, have a nice day/night! :D
If you had a stain on your shoe, what would you do to cover it?
Answer: depends what kind of stain and color shoe.
Explanation:
Answer:
Wash the shoe
Explanation:
If the stain is unwashable, then I'd either get new shoes or paint over them.
Four landing sites are proposed for a lander. Data about the sites are listed in the table. A 3 column table with 4 rows. The first column is labeled landing site with entries W, X, Y, Z. The second column is labeled height above surface in meters with entries 32, 16, 35, 12. The last column is labeled acceleration due to gravity in meters per second squared with entries 1. 6, 3. 7, 1. 6, 3. 7. At which landing site would the lander have the greatest amount of gravitational potential energy? W X Y Z.
Answer:
its B just finished
Explanation:
Answer:
The answer above is correct! The correct option is B.
Explanation:
Just took the review on edge :)
Hope this helped - brainliest would be appreciated!
Have a great day everyone :D
A photograph is 25 cm wide and 20 am hide. It might be reduced to fit a space that is 8 cm high. Find the wridth of reduced photographed.
Answer:
10cm
Explanation:
25/20=x/8
cross multiply;
200=20x
x=10
how to add ratio numbers can someone give me an exzample
Answer:
When the denominator of both ratios is the same, adding the ratio is simple. You just add the numbers to the left of the colon (this number is called the Ratio Numerator)xplanation:
What is the potential energy of a 2 kg bowling ball resting at the top of a 5 m high hill? Show all of your work and include the correct units to receive full credit.
Answer:
[tex]\boxed {\boxed {\sf 98 \ J}}[/tex]
Explanation:
We are asked to find the potential energy of a bowling ball.
Potential energy is the energy an object possesses due to its position. It is calculated using the following formula.
[tex]E_p= mgh[/tex]
In this formula, m is the mass, g is the acceleration due to gravity, and h is the height.
The bowling ball has a mass of 2 kilograms. The hill is 5 meters high. Assuming this situation is occurring on Earth, the acceleration due to gravity is 9.8 meters per second squared.
m= 2 kg g= 9.8 m/s²h= 5 mSubstitute the values into the formula.
[tex]E_p= (2 \ kg )(9.8 \ m/s^2)(5 \ m)[/tex]
Multiply the numbers together.
[tex]E_p=19.6 \ kg*m/s^2(5 \ m)[/tex]
[tex]E_p=98 \ kg*m^2/s^2[/tex]
Convert the units. 1 kilogram meter squared per second squared is equal to 1 Joule. Our answer of 98 kg*m²/s² is equal to 98 Joules.
[tex]E_p= 98 \ J[/tex]
The bowling ball has 98 Joules of potential energy.
what is the fate of the energy in ultraviolet light that is incident upon glass?
Answer:
we can say when UV light is incident. Essentially, when it strikes glass or incident upon gloss, it will be absorbed. The energy has to go somewhere. Um, and in this case, this radiation is then converted to thermal energy and the glass raises and temperature.
Explanation:
Got the information from the internet
electricity is the blank of electrons, because electrons blank from atom to atom
Answer:
Electricity is the flow of electrons, because electrons pass from atom to atom.
Which one of the following is not a vector quantity? a) Displacement b ) density c) force d) vecocity
Answer:
density
Explanation:
density is a scalar quantity having only magnitude and no info about derection
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