Physics, 26.03.2021 03:20 mbprez6029
If 20,000J of work is used to move a car that is broken down, how much is the change in energy that has occurred?
Answers: 3
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
If 20,000J of work is used to move a car that is broken down, how much is the change in energy that...
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