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12v car battery can deliver 7.5*10^5C of charge converted to kinectic energy what's speed of 1200kg car?

2007-04-16 14:27:21 · 1 answers · asked by Morgan 1 in Science & Mathematics ➔ Physics

1 answers

W=V Q= 12 x 7.5 E+5=90,00,000 joules=9E+7joules

W=0.5 m v^2

v=sqrt(2 W/m)
v=sqrt(2 x 9.0 E+7/1200)=
v=387 m/sec
v=108 km/h
Assuming that conversion is ideal 100% efficient.

2007-04-16 15:44:24 · answer #1 · answered by Edward 7 · 0⤊ 0⤋

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