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6 February, 06:21

A rock dropped on the moon will increase its speed from 0m/s to 8.15 m/s in 5 seconds what is the acceleration of the rock

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  1. 6 February, 09:07
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    speed Δv = v₂ = 8.15ms⁻¹

    v₁ = 0ms⁻¹

    time = t = 5s

    acceleration = a = speed / time taken

    a = Δv / Δt (as Δv = v₂ - v₁)

    a = 8.15ms⁻¹ / 5 s

    a = 1.6ms⁻²
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