Physics for Scientists and Engineers: A Strategic Approach 5th Edition · Kinematics in One Dimension · Problem Problem_54
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Randall D. Knight — Kinematics in One Dimension: Problem Problem_54
Bob is driving the getaway car after the big bank robbery. He’s going 50 m/s when his headlights suddenly reveal a nail strip that the cops have placed across the road 150 m in front of him. If Bob can stop in time, he can throw the car into reverse and escape. But if he crosses the nail strip, all his tires will go flat and he will be caught. Bob’s reaction time before he can hit the brakes is 0.60 s, and his car’s maximum deceleration is 10 m/s². Does Bob stop before or after the nail strip? By what distance?
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주어진 조건: 50 m, 150 m, 10 m
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Physics for Scientists and Engineers: A Strategic Approach · 5th Edition
저자: Randall D. Knight
출판사: Pearson
단원: Kinematics in One Dimension