Simplify. 1.5m^7(-4m^5)^2 24m^14 12m^17 24m^17 -6m^14

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.

An object is kept at 45 m high and how much time will it take to reach the ground