Which of the following is Average speed

A) Total distance covered divided by the total time required

B) Rate of change of distance with time

C) Rate of change of velocity with time

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

Find the lengths of each of the following vectors (a) 2i + 4j + 3k (b) 5i - 2j + k (c) 2i - k (d) 5i (e) 3i - 2j - k (f) i + j + k

Are there classes of inclined planes?

Using 15 percent as machine energy efficiency, what is the actual work output if the total work input is 7500 kilojoules ? A. 500 kilojoules B. 750 kilojoules C. 1,125 kilojoules D. 7,500 kilojoules

If a free falling rock were equipped with a speedometer, by how much would it's speed readings increase with each second IF it were on a planet where g = 20 m/s^2? would it be 60?

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.

Simone is walking her dog on a leash. The dog is pulling with force of 34 N to the right and simone is pulling backward with a force of 16 N