A race car accelerates from 0 m/s ro 30 m/s with a displacement of 45 what is it acceleration
1 answer:
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Efficiency or is calculated by formula:
where
also efficiency has no unit.
Now put in the data and calculate the efficiency.
The efficiency of the machine is 0.8
If you want to get percentage just multiply by 100 and you get 80%
Hope this helps.
r3t40
Recall that
The car starts from rest, so , and we get