How much effort force would be needed to roll a barrel with a resistance force of 100N up an inclined plane with a height of 2m and an inclined plane of 8m?

A person is standing in an elevator that is traveling up but is slowing down. the upward normal force exerted by the floor on the person is

How does social science inquiry advance and evolve over time?

How is wavelength related to the different colors we see in a rainbow?

Extra-solar planets are probably composed of which gases?

Suppose we were to attempt to use a similar machine to measure the charge-to-mass ratio of protons, instead. Suppose, for simplicity, that we can get a "source" for a beam of protons as we do here for electrons (with a similar setup).

What are the different types of waves?

The force needed to move an object 14 meters with 83 joules of work is what?

Did sodium lose electr on or gain

What is 541.2 mg in grams

Force exerted by a person or object