Physics, 15.07.2020 01:01 gamingisfun
1. Two blocks (5.0 kg and 6.0 kg) are connected through a frictionless system. The angle of
the ramp is 45°
A. Find the tension in the string.
B. Determine the normal force on the 5.0 kg block.
Answers: 1
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An apple is falling from a tree. disregarding air resistance, which diagram shows the free-body diagram of the force or forces acting on the apple?
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Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 22.06.2019 21:10
The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.
Answers: 1
1. Two blocks (5.0 kg and 6.0 kg) are connected through a frictionless system. The angle of
the ram...
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