4. What happens to the energy in a system – where does the energy come from, how is it changed within the system and where does it ultimately go? How does the energy flow affect the materials in the system?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?