An electric car travels at a constant speed of $70 km h^{–1}$ for $80 km$ on a straight horizontal road and uses energy $E$ from its battery.
How much energy is used from the battery when the car travels at a constant speed of $60 km h^{-1}$ for $80 km$ on the straight horizontal road?
$0.73E$
2 )
$0.86E$
3 )
$1.2E$
4 )
$1.4E$
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!