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Mrs G
Questions and answers by visitors named
Mrs G
Questions (9)
If the Earth had two identical moons in one circular orbit, and the moons were as far apart in that orbit as they could be, the
2 answers
1,129 views
1. Which will roll faster down an inclined plane, a can of water or a can of ice?A) A can of water.B) Both the same.C) A can of
4 answers
424 views
If the zero level is a distance 2h/3 above the floor, what is the potential energy U of the block on the floor?
Express your
5 answers
6,712 views
Using conservation of energy, find the speed v_b of the block at the bottom of the ramp.
Express your answer in terms of some or
5 answers
7,386 views
disregard the previous I did not include the first part
This question is typical on some driver's license exams: A car moving at
2 answers
517 views
when you dive from atop a tall flagpole into a swimming pool below. His potential energy at the top is 14000 J (relative to the
1 answer
448 views
If you pull one end of the rope 1.0 m downward with a 50 N force, find the height you can lift a 150 N load.
5 answers
7,039 views
In raising a 4000-N piano with a pulley system, the workers note that for every 1.6 m of rope pulled downward, the piano rises
4 answers
2,222 views
Emily holds a banana of mass m over the edge of a bridge of height h. She drops the banana and it falls to the river below. Use
6 answers
4,657 views
