Physics, 09.10.2019 02:10 cieswa46054
Aplane wall, 7.5 cm thick, generates heat internally at a rate of 105 w/m3. one side of the wall is insulated, and the other side is exposed to an environment at 90oc. (i. e. the fluid is at a temperature of 90oc.) the convection heat transfer coefficient between the wall and the environment is 500 w/(m2 k). if the thermal conductivity of the wall is 12 w/(m k), calculate the temperature in the center of the wall.
Answers: 1
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Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?
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Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
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Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
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A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?
Answers: 3
Aplane wall, 7.5 cm thick, generates heat internally at a rate of 105 w/m3. one side of the wall is...
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