Question
A car moving at 25 m/s comes to a stop in 5 seconds. Calculate the average force exerted on the car and the change in momentum during this time.
A car moving at 25 m/s comes to a stop in 5 seconds. Calculate the average force exerted on the car and the change in momentum during this time.
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Koala Tutor
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To calculate the average force exerted on the car, we can use Newton's second law of motion. The formula is given by:
Average force = (change in momentum) / (time)
First, let's calculate the change in momentum. The initial momentum (p1) can be calculated using the formula:
p1 = mass × initial velocity
Given that the car is moving at 25 m/s, we need more information to calculate the mass of the car. As it is not provided, we cannot determine the change in momentum or the average force without this information.
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