Mechanics | Relativity Answers

A friend throws a baseball horizontally. He releases it at a height of 2.0 m and it lands 21 m from his front foot, which is directly below the point at which he released the baseball. (a) How long wa

A single force of 40 N acts upon a 5 kg block. what is the magnitude of the acceleration of the block?

which is greater the anglr velocity of the hour hand of a watch or the angular velocity of the earth around its own axis?

Simpson drives his car with an average velocity of 48.0 km/hto the east. How long will it take hime to drive 144 km on astraight highway? how much time would he save by increasing hiaverage velocity to 56.0 km/h to the east?

A car starts from rest and accelerates for 3.2 s
with an acceleration of 2.9 m/s
2
.
How far does it travel?
Answer in units of m

For the same question shown above how would you work itfor eight gallons instead of fifteen?

What if it was eight gallons instead of 15? For the same problem posted.

Chelsea went for a walk. At the beginning of her walk, she was traveling 2.3 m/s. Then she began to jog to reach a maximum speed of 4.2 m/s over a 15 second period. Assume that Chelsea’s acceleration was constant.

Joe and Bill are playing tug-o-war. Joe is pulling with a force of 200 N. Bill is simply hanging on, but skidding towards Joe at a constant velocity. What is the force of friction between Bill's feet and the ground?

If mass is doubled and the net force is kept constant, what will be the acceleration of the body?