The earth exerts a gravitational force on the moon. the moon exerts a gravitational force on the earth. how do the magnitudes of these two forces compare? note that the mass of the earth is 81 times the mass of the moon.

What type of material is wrapped around an object could cause the object to lose the most heat

The current that is available from a battery is called a (n)

A long jumper leaves the ground at an angle of 22.5 ∘ measured from the horizontal, and at a speed of 11.0 m/s. How far does he jump? Hint: first determine how long he is in the air, which is twice the time it takes him to reach his maximum height.

A fisherman has caught a very large, 5.0 kg fish from a dock that is 2.0 m above the water. He is using lightweight fishing line that will break under a tension of 54 N or more. He is eager to get the fish to the dock in the shortest possible time.

A 1000 kg satellite and a 2000 kg satellite follow exactly the same orbit around the earth. What is the ratio F1/F2 of the gravitational force on the first satellite to that on the second satellite?

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?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N