sams of 30 kg un dimiss up and uit. He moves se meter
egimes. Ceulate the following
Work done by the child
(b) Power of the chuld use =0ms
A mon 90 kg climbs up to the Pashupatinath temple Fe clunes 40 stars in two mutes
Height of each star is 20 cm. What is the power of the man' Use g = 10 mms.aus: 0 wat
A builes of mass sgis tired with a velocity of 400 ms. What is its kmetic energy 200 JT
stone drops from a 5 meter tall cliff If all its potential energy gets converted inte kinetic
emergy calculate the speed of the stone just before it touches the bottom of the chil
g=10ms
Ans: 10 m/s
How much energy las 1 cubic meter of water collected in a reservoir at a height of 40 meters
from the power house? What kind of energy is it? (1 cubic meter of water =
1000 kg)
Ans: 4x
10. A car weighing 20,000N can climb up a hill 200 m high in one minute, what is its power in
a) watt (b) kilowatt (c) horsepower
(An: 6000067w, 00.67 kw, 893 Hp)
loc
[1 mark each)
E. Multiple choice questions.
Work done is measured by
Answers
Answered by
0
Answer:
pleassssssssssss sorry
Answered by
1
Answer:
work done is measured by joule
joule is the S.I unit of work and energy
your question is so confusing plz ask proper question
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