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A child has a temperature of 101F. If her total skin area is 18 m2, find the energy loss per second due to radiation, assuming the emissivity is 1. Assume the room temperature is 70F. The Stephan-Boltzmann constant is 5.6696 ×10^8 W/m2*K4
Answer in units of W
Harold the Hurler is a physics student who is renowned for his baseball pitching arm. In order to determine the amount of work he performs in throwing a baseball, How much work does Harold perform on the baseball
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A 5.0-kg object is pulled along a horizontal surface at by a 15 N force acting 20? above the horizontal. How much work is done by the gravitational force
questionin everyday life we know that something described as white hot is hotter than something described as red hot.
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A 4 kg mass is attached to the end of a horizontal spring on a smooth surface. It is pulled 3 meters away from equilibrium and released. What is the maximum speed of the mass during its motion
A potter's wheel is rotating around a vertical axis through its center at a frequency of 2.0rev/s. What is the frequency of the wheel after the clay sticks to it? Ignore friction
What mass of water (at 4.0 C) can be contained in a rectangular box whose dimensions are 10 cm by 5.00 cm by 1.00 cm? The density of water at 4C is 1.000 X 10 kg/m-cubed.
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