Physics, 26.07.2019 14:30 abdulspy786
Which statement describes the gravitational force and the electrostatic force between two charged particles? 1. the gravitational force may be either attractive or repulsive, whereas the electrostatic force must be attractive. 2. the gravitational force must be attractive, whereas the electrostatic force may be either attractive or repulsive. 3. both forces may be either attractive or repulsive. 4. both forces must be attractive.
Answers: 2
Physics, 21.06.2019 13:10
Abox is pushed down at an angle of 32 degrees on a rough surface. the box moves to the right.what equation should be used to find the net force in the y-direction? answers: a. fnet,y = fn - fgb. fnet,y= fp - ffc. fnet,y = fn-fg- fpcos(32)d. fnet,y = fn-fg-fpsin(32)
Answers: 2
Physics, 22.06.2019 14:40
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Physics, 22.06.2019 22:00
A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?
Answers: 2
Which statement describes the gravitational force and the electrostatic force between two charged pa...
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