A compressed spring has 16.2j of elastic potential energy when it is compressed 0.30m what is the spring constant of the spring

In order to do work on an object, the force you exert must be

A volleyball player hit a ball with a mass of 0.25 kg. The average acceleration of the ball was 15.5 m/s². How much force did the volleyball player apply to the ball? A. 3.87 m/s² B. 62.0 m/s² C. 3.87 N D. 62.0 N

A 1.35 kg block is pulled across a flat, frictionless floor with a 3.07 N force at 32.0° above horizontal. What is the acceleration of the block?

What is the best way to make a balloon racer.

Identify the six major stages of the process of scientific inquiry

A boulder on top of a cliff has a potential energy of 12400J. How high above is the boulder?

If the graph represents speed what is measured on the x and y axes

It is difficult to lift a heavy stone than the lighter one on the earth, why?

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.