Why isn't iron used to make coin

Explain how the force of air resistance depends on an object speed

How does applying force to an object affect its motion

What affect does friction have on motion

Suppose you are walking in an airliner in-flight use newtons third law to describe the effect of your work on the motion on the airliner

How many cells make up bacteria? 1, 10, 100, or millions?

What is the difference between speed and velocity and give an example.

Water flows over a section of niagara falls at the rate of 1.2x10^6 and falls 50.0 m. how much power is generated by the falling water

What is the darkest side of the moon called?

Brian is a healthy young man. He has been training with his teammates for a 50-yard dash for months. However, even with practice, he cannot run fast enough to qualify. What is the most likely reason that Brian can't qualify?

1. Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? 2. Should car companies be required to produce electric cars?