What is the potential energy of a 2 kg book sitting on a shelf 2 meters above the ground

An object is in motion when it's distance from another object is changing. True or false

You move a 25 n object 4 meters. find the work you did

What is the pressure 100m below the surface of the sea, if the density of sea water is 1150kg/m3

What is being measured when you measure the temperature of something

In physics how much energy is required to raise the temp of 9.78kg of water from 40.82c to 52.07c? The specific heat of water in this state is 4186j/kg-c.

If an element has the atomic mass (a) of 80 and its atomic number (z) is 35, how many neutrons does it have?

A ball is thrown up into the air with an initial velocity of 64 ft/sec. The ball is 4 ft above the ground when it is released. Its height, in feet, at time t seconds is given by: h (t) = - 16t^2 + 64t + 4.

Total these measurements. Your answer should indicate the proper accuracy. Be sure to include the units in your answer.

What is vector quantities?

How does heat flow? A. Heat flows from all objects to all other objects. B. Heat flows from a warmer object to a colder object. C. Heat does not actually flow from one object to another.