How does the centripetal force vary with the radius of the circular path? Consider (a) constant frequency and (b) constant speed. Was this substantiated by the experimental results?

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.