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SOVA2 [1]
3 years ago
8

Based on the diagram of a ball rolling down hill, what statement is true?

Physics
2 answers:
Phoenix [80]3 years ago
6 0

Explanation :

The sum of kinetic energy and potential energy is called mechanical energy.

The kinetic energy is possessed by an object by virtue of its motion and the potential energy is due to height of the object under the action of gravity.

Mathematically,

KE=\dfrac{1}{2}mv^2

v is the velocity of the object

PE=mgh

h is the height from ground

We know that the potential energy at topmost point is maximum and it is least at ground.

So, from the given figure it is clear that the ball in box C has less potential energy than the ball in box B.

Hence, the correct option is (d) "The ball in box C has less potential energy than the ball in box B".

mezya [45]3 years ago
6 0

Answer:

its d

Explanation:

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5 0
4 years ago
What does FCCLA stand for?
professor190 [17]
FCCLA Stands for <span>Family, Career and Community Leaders of America.</span>
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3 years ago
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An alpheid shrimp digs and maintains a deep burrow. While underground, the shrimp is safe. Above ground, it is vulnerable to pre
bekas [8.4K]

Answer:

ase of convenience, since the beneficiary by having a burrow and the shrimp benefits from knowing that there are predators nearby.

Explanation:

This exercise asks to study the dependence between two animals, the shrimp and the puffer fish.

Two types of dependency are defined:

* Complete. What is when one animal lives off the other

* Convenience if one animal does not live on the other

In this case, both the shrimp and the predator do not live on each other, since they feed independently.

So it is a case of convenience, since the beneficiary by having a burrow and the shrimp benefits from knowing that there are predators nearby.

The correct answer is: the balloon benefits by getting a burrow to live in and the shrimp knows when predators are nearby.

3 0
4 years ago
Which of the following is NOT a correct statement?*
lozanna [386]

AnswerAmontons's law. If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. ... If the gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases, both of which increase the pressure exerted by the gas (Figure 1).:

Explanation:

5 0
3 years ago
An object has a kinetic energy of 14 J and a mass of 17 kg , how fast is the object<br> moving?
Vlad1618 [11]
Use the formula:

E = (1/2) * m * v ^2

For unit consistency, make sure that:

E energy is in joules (J)
m mass is in kilograms (kg)
v velocity is in meters per second (m/s)
So, substituting to the equation:

14= (1/2) * (17) * v^2

By algebraic manipulation, we derive:

v = (2*14/17)^0.5

v = 1.2834 m/s
1.9K viewsView 4 Upvoters
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