A 40 kg rock is rolling toward a town at 4 m/s after an earthquake. Calculate the KE. Be sure to show your work and include units!

Use the formula KE = 1/2mv2 will brainlist

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.