Jack pushed and pushed, and finally moved the new refrigerator into the kitchen. what is the best explanation of what happened?
a) jack used energy to do work.
b) jack had no energy and did no work.
c) jack used all his potential energy.
d) jack used energy but the refrigerator did all the work.
Answers: 2
Physics, 21.06.2019 19:00
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Physics, 21.06.2019 19:30
Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?
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Make a drawing of the electric field lines around a positive charge, then make a second drawing of the electric field lines around a negative charge.
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Jack pushed and pushed, and finally moved the new refrigerator into the kitchen. what is the best ex...
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