How much energy does the battery deliver to the motor during a 26 s period?

Complete Question:

1. A 12 V automobile battery is connected to an electric starter motor. The current through the motor is 221 A. How much power does the motor dissipate? Answer in units of W.

2. How much energy does the battery deliver to the motor during a 26 s period?

a. Power = 2652 Watts.

b. Energy = 68592 Joules.

Explanation:

Given the following data;

Voltage = 12 V

Current = 221 A

Time = 26 seconds

To find the following;

a. Power dissipated:

Power = current * voltage

Substituting into the formula, we have;

Power = 221 * 12

Power = 2652 Watts.

b. To find the energy consumption;

Energy = power * time

Energy = 2652 * 26

Energy = 68592 Joules.

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