Asked by Me

Please help me to solve this problem about
electic potential :



An electric car accelerates for 7.0 s by drawing energy from its 290-V battery pack. During this time, 1200 C of charge pass through the battery pack .
Find the minimum horsepower rating of the car.
Answered by Damon
Joules = Watt seconds = i V t = Q t = 1200*290 = 348000 Joules

Watts = Joules/second = 348000/7 = 49,714 Watts

I do not remember the conversion from Watts to hp
Answered by bobpursley
do this: Paste in the google search window

1hp in watts
then memorize that number

Then, even lazier, put in the google search window

49714 watts in hp
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