Magnectic striping is evidence of?

What's the momentum (in kg-m/s) of a cannonball with a mass of 21 moving with a velocity of 25 m/s?

Suppose you are carrying a ball and running at constant speed, and wish to throw the ball and catch it as it comes back down.

The masses of two metal blocks are measured. Block A has a mass of 8.45 g and Block B has a mass of 45.87 g.

Develop an algebraic relationship that describes a satellite moving in a circular orbit around a planet if the speed of the satellite is v, the mass of the planet is M, the mass of the satellite is m, the radius of the planet is R, and the altitude

A 2kg ball is thrown upward with a velocity of 15m/s. What is the potential energy of the ball when it gets to its maximum height just before falling back to the ground

0.0003711 in scientific notation is

According to Aristotle where do moving objects tend to reach

If you can simply pour sand into a cup then why is it not a liquid?

2. If a force is exerted on an object, which statement is true?

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge? 3.7 * 10-5 C 4.1 * 10-5 C 8.8 * 10-5 C 1.