Assuming the acceleration is still -9.81 m/s 2 , what is the instantaneous velocity of the shuttlecock when it hits the ground

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.

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer