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Physics, 21.06.2019 20:30
When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
Answers: 1
Physics, 22.06.2019 04:30
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
Answers: 1
Physics, 22.06.2019 13:20
This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?
Answers: 3
Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
Answers: 2
A body is dropped from the top of a tower. It drops by a distance of x m in 1 sec. After 2 sec it wo...
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