Which example best represents an object with balanced forces acting upon it?

Fill-in-the-Blank _ are the vibrations in the ground that result from movement along breaks in the Earth's lithosphere. * Your answer

The earth has radius R. A satellite of mass 100 kg is in orbit at an altitude of 3R above the earth's surface. What is the satellite's weight at the altitude of its orbit

A baseball is thrown home plate at 40m/s ... the batter hits the ball and sends it flying at 60 m/s in the opposite direction. If this hit only took 0.01 seconds, then the acceleration of the ball is

You apply a 100N force to a 20kg block. It doesn't move. Why? What is the mass? Draw a free body diagram.

Suppose that you measure a galaxy's redshift, and from the redshift you determine that its recession velocity is 30,000 (3*104 kilometers per second. according to hubble's law, approximately how far away is the galaxy?

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0 m of the race. what is the average acceleration of this sprinter, and how long does it take her to reach that speed?

How are primary and secondary succession similar and how are they different?

What relates the net force exerted on an object to its mass and acceleration?

I'm a wave, the medium moves parallel to the direction that the wave travels

What is the wavelength of a wave that has a velocity of 32 m/s and a frequency of 60.6 Hz?