When a falling object hits the ground, the ground applies an upward force on the object.

A. True

B. False

9. The fastest moving particle is what

Why does ice generally have very little friction when it is in contact with other materials?

What do you do when ur dog is running away?

A steel cable has a cross-sectional area 4.49 * 10^-3 m^2 and is kept under a tension of 2.96 * 10^4 N. The density of steel is 7860 kg/m^3. Note that this value is not the linear density of the cable.

If you wear kneepads when skating, after a fall to your knees it will take 3 times as long for them to come to a rest. How does this affect the change in momentum of your knees during the fall? A.

Which branch of science includes the laws of matter and energy?

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

What captures energvy from sunlight during photosynthesis

The scientific theories developed by copernicus galileo and newton resulted in

How could you find out which wire is broken in a cable?