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Mechanical work and energy

Questions (3)

A pump is required to lift a mass of 750kg of water per minute from a well of depth 13.2m and eject it with a speed of 17.4m/s.A
1. 5 answers
2. asked by Garrett
3. 6,184 views
A 25.0 kg block is very slowly raised up a verticaldistance of 10.0 m by a rope attached to an electric motor in a time of 8.2
1. 2 answers
2. asked by Anonymous
3. 490 views
In a short paragraph, describe how you would determine theamount of work needed to pull a toboggan the length of a football
1. 1 answer
2. asked anonymously
3. 40 views