Two persons do the same amount of work. the first person does it in 10 seconds and the second in 20 seconds. find the ratio of the power used by the person to that by the second person.
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Answered by
22
the ratio should be.
let the work be x
therfore
for first person p=x/10
for second person p=x/20
the ratio is (x/10)/(x/20)
=2/1
let the work be x
therfore
for first person p=x/10
for second person p=x/20
the ratio is (x/10)/(x/20)
=2/1
Answered by
8
Hiiii
Here's Ur answer
Let the work done be x
Ist person
Power = work done / time taken
= x/10
2nd person
Power= work done / time taken
= x/ 20
Ratio : x/10 ÷x/20
=2/1
=2:1
( In image below ratio is given)
Hope this will help you .....
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