Why are mercury and the earths moon so cratered?

Suppose you are walking home after school. The distance from school to your home is five kilometers. On foot, you can get home in 25 minutes. However, if you rode a bicycle, you could get home in 10 minutes. a.

A 10 mg bead is free to slide on a frictionless wire loop. The loop rotates about a vertical axis with angular velocity ω. If ω is less than some critical value ωc, the bead sits at the bottom of the spinning loop.

What is the symbol for displacement

A horizontal force of 175 n pushes a 17 kg block up a frictionless incline that makes an angle of 43° with the horizontal. (a) what is the normal force that the incline exerts on the block?

Compared to our sun, most stars in the halo are

There is a balance of heat coming into and going out of earth. This is known as the?

What is the difference between the velocity and the speed of an object?

66. Which of the following is not an example of harmonic motion? A. a ball rolling down a hill B. pistons in a running car engine C. a swinging pendulum D. waves in a pond spreading outward from a stone that was dropped

The metric system and metric conversions are?

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?