Asked by Noah
A ball is thrown horizontally from the top of
a building 51 m high. The ball strikes the
ground at a point 120 m from the base of the
building.
The acceleration of gravity is 9.8 m/s
2
Find the x component of its velocity just before it strikes the ground.
Answer in units of m/s
Find the y component of its velocity just before it strikes the ground.
Answer in units of m/s
a building 51 m high. The ball strikes the
ground at a point 120 m from the base of the
building.
The acceleration of gravity is 9.8 m/s
2
Find the x component of its velocity just before it strikes the ground.
Answer in units of m/s
Find the y component of its velocity just before it strikes the ground.
Answer in units of m/s
Answers
Answered by
charlie
The ball goes 120m in time t. t, or fall time, is sqrt of 2h/g, both given.
120/t gives the x component of velocity in m/s.
120/t gives the x component of velocity in m/s.
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