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How much work must be done on a 5-kg snowboard to increase its speed from 2ms to 4ms?
Updated: 9/19/2023
Wiki User
∙ 12y agoBest Answer
Impulse
force * time = mass * velocity change
force * time = 10
So>
any combination , say 5 newtons for two seconds
acceleration(a) = force / mass = 5/5 = 1 (m/s)/s
then>
s = v2 - u2 / 2 * a
s = 12 / 2
s = 6 metres
so >
work done = force * distance = 5 * 6 = 30 joules
Wiki User
∙ 12y agoThis answer is:
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