Physics, 30.10.2019 22:31 colyernicholas44
Aperson stands on a bathroom scale in a motionless elevator. when the elevator begins to move, the scale briefly reads only 0.74 of the person's regular weight. calculate the magnitude of acceleration of the elevator.
is the direction of acceleration up or down?
Answers: 3
Physics, 22.06.2019 05:30
The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .
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Explain what happens at the saturation point when adding salt to water at room temperature.
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Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
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