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5 November, 23:23

A constant braking force of 10 newtons applied for 5 seconds is used to stop a 2.5-kilogram cart traveling at 20 meters per second. the magnitude of the impulse applied to stop the cart is

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  1. 6 November, 01:23
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    Mathematically it can be expressed as: I = FpΔt. Where F p is the average magnitude of the acting force and Δt = t 2 - t 1, the time lapse in the force acts.

    The magnitude of the impulse applied to stop the cart is

    I = FpΔt = (10N) * (5s) = 50 N. s
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