3 Questions- 1) Two objects, A and B, are thrown up at the same moment of time from the same level (from the ground). Ob

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3 Questions-
1) Two objects, A and B, are thrown up at the same moment of
time from the same level (from the ground). Object A has initial
velocity 11.1 m/s; object B has initial velocity 17.0 m/s. How high
above the ground is object B at the moment when object A hits the
ground?
2) The pilot of an airplane traveling with constant velocity 185
m/s wants to drop supplies to the expedition isolated on a patch of
land 250 below surrounded by the water, so supplies should be
dropped straight to the camp. What should be the distance between
plane and the camp at the moment of releasing of supplies? Hint:
this question is about total distance.
3) A driver on the motorcycle speeds horizontally off the cliff
which is 70.5 m high. How fast should the driver move to land on
level ground below 80.5 m from the base of the cliff? Give answer
in m/s.