Can someone help me with this maths question, please?

A rocket is launched vertically upwards from a cliff at a speed of 39.2ms^-1. It hits the ground at the foot of the cliff 10 seconds later. a) Find the height of the cliff. b) Find the maximum height reached by the rocket. c) Find the time taken to reach the maximum height. d) Find the speed at which the rocket... show more A rocket is launched vertically upwards from a cliff at a speed of 39.2ms^-1. It hits the ground at the foot of the cliff 10 seconds later.
a) Find the height of the cliff.
b) Find the maximum height reached by the rocket.
c) Find the time taken to reach the maximum height.
d) Find the speed at which the rocket hits the ground.
e) Find the time taken for the rocket to return to the same height at which it was launched.
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