Questions
Two tall buildings are 30 m apart. The speed with which a ball must be thrown horizontally from a window 150 m above the ground in one building so that it enters a window 27.5 m from the ground in the other building is:
detailed solution
Correct option is B
h = 150 - 27.5 = 122.5 mt = 2×122.59.8 = 5 secHence u = Rt = 305 = 6 ms-1Talk to our academic expert!
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