A toy rocket is fired vertically upwards with an initial
velocity of 18.9 ms-1. Calculate how long (in s) the
rocket stays in the air before it returns to the ground. Give your
answer to 2 d.p.
A toy rocket is fired vertically upwards with an initial velocity of 18.9 ms-1. Calculate how long (in s) the rocket sta
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A toy rocket is fired vertically upwards with an initial velocity of 18.9 ms-1. Calculate how long (in s) the rocket sta
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