What is the difference between average and instantaneous speed?

Physics 1315, what is faster speed; red light or gamma rays?

The human body obtains 915 kj of energy from a candy bar. if this energy were used to vaporize water at 100.0 °c, how much water (in liters) could be vaporized? (assume the density of water is 1.00 g>ml.

13/41 14. What is the SI unit for weight?

50W of power is generated using 100J of work to move a box onto a shelf. How long did it take to move the box from the floor to the shelf?

A ball is thrown horizontally at a speed of 24 m/s from the top of a cliff. if the ball hits the ground 4.0 s later, approximately how high is the cliff?

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

An object moves with velocity v (t) = t^2-8t+7 a) write a polynomial expression for the position of the particle at any time t greater or equal to zero.