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# CP An advertisement claims that a particular automobile ISBN: 9780321675460 31

## Solution for problem 40P Chapter 4

University Physics | 13th Edition

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Problem 40P

CP? An advertisement claims that a particular automobile can “stop on a dime.” What net force would be necessary to stop a 850-kg automobile traveling initially at 45.0 km/h in a distance equal to the diameter of a dime, 1.8 cm?

Step-by-Step Solution:

Solution 40P In this problem we will use the formula v = u + 2as To calculate the required acceleration. Step 1 In the given problem we have u = 45.0 km/h = (45.0 km/h)(1000 m/= 12.25 m/s (3600 s/h) v = 0 m/s s = 1.8 cm = 0.018 m

Step 2 of 2

##### ISBN: 9780321675460

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CP An advertisement claims that a particular automobile