An advertisement claims that a certain that a certain 1200kg car can accelerate from rest to a speed of 25m/s in a time of 8s. What average power must the motor produce to cause this acceleration ? ( Ignore friction losses)

Explanation

To find the average power required for the car to accelerate from rest to a speed of 25 m/s in 8 seconds, we can follow these steps:

### Step 1: Calculate the change in kinetic energy
The formula for kinetic energy (KE) is given by:
\[ KE = \frac{1}{2} m v^2 \]
where:
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