Which of the following best describes acceleration? acceleration is the rate of change of force of an object. acceleration is the rate of change of the direction of an object. acceleration is the rate of change of velocity of an object. acceleration is the rate of change of position of an object.?

Are aliens real? justify you’re answer.

What sort of waves exhibit the doppler effect?

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.