3 years ago

6. A stomp rocket takes 1.5 seconds to reach its maximum height

Physics

1 answer:

anyanavicka [17]3 years ago

4 0

Answer:

a) 15 m/s

b) 11.25 m

Explanation:

a) when the rocket is approaching to the maximum height , its velocity =0 (assume g= 10 m/s² downwards)

applying motion equations upwards

V = U +at

0 = U + (-10)*1.5

U = 15 m/s (initial velocity)

b) let maximum height be S and V =0 (velocity at highest point)

V² = U² + 2aS

0 = 15² + 2 * (-10)*S

S = 11.25 m

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