What is rolling friction

A boy is standing motionless on a skateboard. He throws a basketball forward. Describe his motion.

In 3 seconds, a wave generator produces 15 pulses that spread over a distance of 45 centimeters. Calculate its velocity.

What eventually happened to the carbon dioxide in the atmosphere of early earth

The push of energy given to electrons in a circuit is known as what?

Is a sound wave's amplitude most closely related to it's loudness? I'm not quite sure

P=25 watts W=5000 joules t=? what is time

The mass of the container holding this table salt is 3G. What is the mass of the table salt

How to solve a torque problem

Our warmest month is august Weather or Climate?

A company in san francisco uses petroleum products to make plastics arrange the sentence in the correct order to show how the company could be contributing to climate change. 1) Burning fuel realeases greenhouse gases.