An object in equilibrium has a net force of

Ten kilograms of a substance has a latent heat of 1000 J/kg. How much energy does it take to change the phase of this substance?

Artistide rows his raft across the river. If he hits the dock head on to stop what will happen to the ball?

There are about 4.7 billion tons of salt in the Great Salt Lake which results in extremely dense water. One weekend, a group of swimmers take a dive into this lake.

The earth exerts the necessary centripetal force on an orbiting satellite to keep it moving in a circle at constant speed.

Real world trampolines lose energy since they are damped springs with much internal friction. How much energy does the sumo wrestler lose on each bounce in this situation? b) How can a gymnast keep a constant bounce height in a real world trampoline?

Define light year and explain how and why light years are used to measure distances in the universe

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?