A heat engine takes in 1000 j of energy at 1000 k and
A heat engine takes in 1000 J of energy at 1000 K and exhausts 615 J at 200 K. What are the actual and maximum theoretical efficiencies of this heat engine?
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given that the carbon atom has a mass of 12 amu how many carbon atoms are there in a diamond with a mass of 8
a liter of water has a mass of 1 kg and the mass of a water molecule is 18 amu how many molecules of water are there in
a 450 cm3 block of aluminum d 27 gcm3 is lowered carefully into a completely full beaker of water what is the weight
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a heat engine takes in 1000 j of energy at 1000 k and exhausts 615 j at 200 k what are the actual and maximum
during a baseball game a batter approaches the plate the pitcher hurtles the ball in the direction of the batter at a
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a pulley cable system on a construction site lifts 20000 n concrete block to a height of 40 m if this takes 2 minutes
for safety reasons the speed of a child at the bottom of playground slide cannot exceed 60 ms what is the maximum
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