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PhysicsQ&A LibraryA car moving at 9.5 m/s crashes into a tree and stops in 0.32 s. Part (a) Calculate the magnitude of the force, in newtons, the seatbelt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 71 kg.Part (b) What would the final velocity be, in meters per second, if the car with the 71-kg passenger had collided with (and stuck to) a car that has a mass equal to and is traveling in the opposite direction and at the same speed?Question

Asked Nov 10, 2019

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A car moving at 9.5 m/s crashes into a tree and stops in 0.32 s.

** Part (a) ** Calculate the magnitude of the force, in newtons, the seatbelt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 71 kg.

**Part (b) ** What would the final velocity be, in meters per second, if the car with the 71-kg passenger had collided with (and stuck to) a car that has a mass equal to and is traveling in the opposite direction and at the same speed?

Step 1

(a) Using the kinematic equation of motion,

Step 2

By using equation of motion to solve for acceleration,

Step 3

The magnitude of...

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