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zloy xaker [14]
2 years ago
5

A ball is thrown upwards. Neglecting air resistance, what initial upward speed does the ball need to remain in the air for a tot

al time of 10 seconds
Physics
1 answer:
melamori03 [73]2 years ago
5 0

Answer:

H = 1/2 g t^2     time to reach top of trajectory

v = g t   time to reach top of trajectory when v is initial speed upwards

v = 5 g = 49 m/s      5 sec upwards and 5 sec downwards

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