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Chinasaramokwu

Questions (4)

A body of 10kg and initially at rest is subjected to a force of 20N through a distance of 10m.calculate the change in kinetic
1. 9 answers
2. 2,874 views
An engine raises 100kg of water through a height of 60m in 20sec. What is the power of the engine. (Take g=10m/s^2
1. 7 answers
2. 2,334 views
A boy whose mass is 40kg runs up a flight of 30 steps,each 150mm high,in 6secs.find the average power developed.(take g=10m/s^2.
1. 1 answer
2. 622 views
A ball of mass 8kg falls from rest from height of 100m. Neglecting air resistance, calculate its kinetic energy after falling of
1. 3 answers
2. 698 views

Which one is correct
M=10kg H=5M G=10m/s^2 P.E=mgh P.E=10m×5M×10m/s ^2=500Watts Since p.e=k.e So it is 500Watts
M=10kg H=5M G=10m/s^2 P.E=mgh P.E=10m×5M×10m/s ^2=500Watts

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