An 92-kg football player traveling 5.0m/s in stopped in 10s by a tackler. what is the original kinetic energy of the player? express your answer to two significant figures and include the appropriate units. what average power is required to stop him? express your answer to two significant figures and include the appropriate units.
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Physics, 22.06.2019 05:30, robert7248
What do you think car designers do if the damage caused by a crash test is too severe?
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Physics, 22.06.2019 15:20, mjwaple57
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
An 92-kg football player traveling 5.0m/s in stopped in 10s by a tackler. what is the original kinet...
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