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How much work must be done on a 5 kg snowboard to increase its speed from 2 ms to 4 ms?
Updated: 9/17/2023
Wiki User
∙ 12y agoBest Answer
work=mass*speed,5*2=10
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∙ 12y agoThis answer is:
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Impulseforce * time = mass * velocity changeforce * time = 10So>any combination , say 5 newtons for two secondsacceleration(a) = force / mass = 5/5 = 1 (m/s)/sthen>s = v2 - u2 / 2 * as = 12 / 2s = 6 metresso >work done = force * distance = 5 * 6 = 30 joules
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