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? asked in Science & MathematicsPhysics · 7 years ago

Physics help?

A 5.0 kg missile is projected from rest to a speed of 4.5 x 103 m/s.

How much time is required to do this by a net force of 5.3 x 105 N?

1 Answer

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  • 7 years ago

    acceleration = F/m = (5.3 * 10^5 N)/5 = 106,000 m/s^2

    Time required = (4.5 * 10^3 m/s)/(106,000 m/s^2) = 0.042 seconds

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