A girl on a backyard trampoline bounces straight upward with an initial velocity of 4.5 m/s. what is the girl's velocity when she returns to the trampoline

Describe how the horizontal position of The baseball varies overtime is the change in position constant variable? Why might this be so?

A 49.5 gram super ball traveling at 25.5 m/s bounces off a brick wall and rebounds at 19.5 m/s. a high-speed camera records this event. if the ball is in contact with the wall for 4.

A thread is being pulled off a spool at the rate of 57.3 cm per sec. Find the radius of the spool if it makes 141 revolutions per min. Round to two decimal places as needed.

What should you do when you cut your palm on a small piece of broken glass that is lying on the lab bench?

The chemical formula for sodium fluoride is

You have a potential difference of 8 v. how much work is done to transfer 0.32 c of charge through it? answer in units of j.

Why is raw sewage a major pollutant in some countries but not in developed countries?

What is the momentum of a 2 kg ball traveling at 2m/s

A constant force is exerted for a short distance on a block of mass that is initially at rest on a horizontal frictionless plane. This force gives the block a certain final speed v.

A football quarterback is moving straight backward at a speed of 3.00 m/s when he throws a pass to a player 20.0 m straight downfield. (a) if the ball is thrown at an angle of 25.