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1543.5 is the answer w=F*s = 315*35 =11025 this is the final or total internal energy now use the formula of percentage 14/100=initial internal energy/11025 (14/100)*11025=internal energy i cannot say with surety that this is right

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15y ago
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2mo ago

The work done by the force is calculated as the force applied multiplied by the displacement, which gives W = 315N * 35m = 11025 J. Since the crate is moving at a constant velocity, the work done by the force is equal to the increase in internal energy. Given that the increase in internal energy is 14% of the initial internal energy, we can calculate the initial internal energy as I = 11025 J / 0.14 = 78750 J.

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Q: A force of 315N is applied to a crate to displace it 35m across a floor at constant velocity The internal energy increases by 14percent of initial internal energy what was the initial internal energy?
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