A stone is thrown upward on the moon with its height (in feet)after t seconds given by h(t) = 20 −5t2. Include units with your answer.
a) What is the acceleration of the stone at 2 seconds?
b) What is the average velocity of the stone between 1 and 3seconds?
c) What is the instantaneous velocity of the stone at 2seconds?
d) With what velocity does the stone hit the ground?
