A 2.5-kg book slides horizontally and falls from a shelf 3.0 m above the floor. How much work does the force of gravity do on the book as it falls 3.0 m?

I'm a given chemical reaction, the energy of the products is less than the energy of the reactants. Which statement is true for this chemical reaction?

A 50g mass of metal (c=0.20 cal/g°C) at 90°c is dropped into water at 30°c and the temperatures stabilized at 40°c. 100g 50g 2.0g 70g

To solve using one of the kinematic equations a person must know how many of the variables in the equation?

A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. b.

Write the product: 1. 43.43.43.43 2. x. x. x 3. 100.100.100 4. p. p. p. p. p

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.

Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.

No physical processes have ever been demonstrated which provide a mechanism for the universe to assemble itself. True False

A very famous motorcyclist plans to jump across a canyon 3.5 kilometers wide. he plans to use a 30 degree ramp and leaves it at 196 m/s. Will he make it? show all calculations to prove your answer

Which composition of water moves within a deep-water current?