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-. A toy rocket achieves a velocity of 55 m/s after 3 s, when fired straight up. If the average force exerted
by the engine is 28 N, what is the toy's mass?

Respuesta :

sanadahamed123456789

Answer: momentum = mass × velocity; and is a vector quantity. Newton's 2nd Law : Fnet=ma. (1). so we have. F=28N. u=0ms−1. v=55ms−1. t=3s.

Explanation: we need the following results momentum = mass×velocity; and

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