A car traveling 85 km/h strikes a tree. The front end of the car compresses and the

Chapter 2, Problem 27P

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QUESTION:

Problem 27P

A car traveling 85 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.80 m. What was the average acceleration of the driver during the collision? Express the answer in terms of “g’s,” where 1.00 g = 9.80 m/s2.

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QUESTION:

Problem 27P

A car traveling 85 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.80 m. What was the average acceleration of the driver during the collision? Express the answer in terms of “g’s,” where 1.00 g = 9.80 m/s2.

ANSWER:

Solution 27P

Step 1 of 3

Here we have to calculate the average acceleration of the car during collision, when the car strikes a tree.

Given data,

  • Initial speed,

Using  and

                                        

                                                

  • Final speed,
  • Displacement,

To find,

Average acceleration,

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