Physics jamb 2007

A machine has a velocity ratio of 4. if it requires 800 N to overcome a load of 1600 N,what is the efficiency of the machine?

a

60%

b

50%

c

40%

d

2%

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Explanation

Correct Option
b

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Discussions (4)

blessed182
1 year ago

correct

GC19
1 year ago

Thank you

Ade_Ade
1 year ago

nice

kamal5
9 years ago

nice one

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