# What is the gravitational potential energy of a # 5 kg# object on a shelf # 4/9 m # high?

Step 2 To find the gravitational potential energy, we can use the formula:

Substituting the values into the formula,

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The gravitational potential energy is approximately 19.6 joules.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- How much work would it take to push a # 8 kg # weight up a # 13 m # plane that is at an incline of # pi / 4 #?
- A ball with a mass of #450 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #12 (kg)/s^2# and was compressed by #4/5 m# when the ball was released. How high will the ball go?
- How much work would it take to push a # 5 kg # weight up a # 1 m # plane that is at an incline of # pi / 4 #?
- An object with a mass of #2 kg# is moving at #5 m/s# over a surface with a kinetic friction coefficient of #2 #. How much power will it take to accelerate the object at #8 m/s^2?
- A balanced lever has two weights on it, the first with mass #14 kg # and the second with mass #29 kg#. If the first weight is # 3 m# from the fulcrum, how far is the second weight from the fulcrum?

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