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Calculate the change in potential energy of a 86.9 kg man when he takes an elevator from the first floor to 15th floor, if the
1. 1 answer
2. asked by Tony
3. 1,197 views
Assume that aclass room is arectangular box where the floor is 8metres long and 6metres wide.If the distance from the floor to
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2. asked by Abdulaziz
3. 601 views
you draw a 100kg sack of maize meal across the floor of a warehouse for the distance of 10m. You apply a force of 300N, directed
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2. asked by Akkie
3. 489 views
A body of mass 25kg, moving at 3m/s on a rough floor horizontal floor is brought to reset after sliding through a distance
1. 2 answers
2. asked by Promise
3. 254 views
A person whose eyes are 2.87 m above the floor stands 2.11 m in front of a vertical planemirror whose bottom edge is 41 cm above
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2. asked by Zati
3. 715 views
A crate of mass 42kg moving with a speed of 8m-1 on a rough horizontal floor is brought to rest after sliding a distance of 5m
1. 2 answers
2. asked by Okiki
3. 630 views
Calculate the change in potential energy of a 78.9 kg man when he takes an elevator from the first floor to 43th floor, if the
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2. asked by Shaxx
3. 1,098 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?
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2. asked by D.B.
3. 745 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
1. 3 answers
2. asked by Mrs G
3. 6,767 views
A student sees a flowerpot pass his 2m high window on the fourth floor in 0.093 seconds. The distance between floors is 4.0m.
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2. asked by Kris
3. 627 views