Question

An object accelerates from rest with a constant acceleration of 4 m/s2. How far will it have moved after 14 seconds?

Answer 1

Answer:

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Explanation:

See page 46. Reasoning: Speed increases at a rate of 10 m/s (actually 9.8 m/s) every second. Thus after 10 seconds, the speed is 10 x 10 = 100 m/s.