In order to conserve fuel, you modify your car by removing 100 kg of excess weight. How much energy is saved each time you drive up a 3 km high mountain? A) 2.94 × 10⁶ J B) 2.86 × 10⁴ J C) 3.86 × 10⁶ J D) 3.00 × 10⁵ J

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Quizplus · Accepted Answer

The energy saved is calculated using the potential energy formula: E = mgh, where m = 100 kg, g = 9.8 m/s², and h = 3000 m. E = 100 * 9.8 * 3000 = 2.94 × 10⁶ J.

In Order to Conserve Fuel, You Modify Your Car by Removing