Concept explainers
A car with a mass of
The braking force needed to bring the car to a halt.
Answer to Problem 2TS
The braking force needed to bring the car to a halt is
Explanation of Solution
Given Info: The mass of the car is
Write the expression to calculate the momentum of the car.
Here,
Write the expression to calculate the impulse of the car.
Here,
The momentum of the car is same as the impulse of the car, so equate the above two expressions to calculate the braking force.
Substitute
Conclusion:
Therefore, the braking force needed to bring the car to a halt is
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