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Physics / Physics with MasteringPhysics 4 / Chapter 5 / Problem 80PP

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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A driver who does not wear a seatbelt continues to move

Chapter 5, Problem 80PP

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QUESTION:

Problem 80PP

A driver who does not wear a seatbelt continues to move forward with a speed of 18.0 m/s (due to inertia) until something solid like the steering wheel is encountered. The driver now comes to rest in a much shorter distance—perhaps only a few centimeters. Find the magnitude of the net force acting on a 65.0-kg driver who is decelerated from 18.0 m/s to rest in 5.00 cm.

A. 3240 N

B. 1.17 × 104 N

C. 2.11 × 105 N

D. 4.21 × 105 N

Questions & Answers

QUESTION:

Problem 80PP

A driver who does not wear a seatbelt continues to move forward with a speed of 18.0 m/s (due to inertia) until something solid like the steering wheel is encountered. The driver now comes to rest in a much shorter distance—perhaps only a few centimeters. Find the magnitude of the net force acting on a 65.0-kg driver who is decelerated from 18.0 m/s to rest in 5.00 cm.

A. 3240 N

B. 1.17 × 104 N

C. 2.11 × 105 N

D. 4.21 × 105 N

ANSWER:

Solution 80PP

Step 1 of 3

We are required to calculate the force.

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