Mechanical energy is the __ energy an object has because of its ___ (speed) and ___

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above