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(a) Mark was driving his car on a country road when a dog appeared in front of his car. He immediately slammed on the brakes, leaving a skid mark of 13.0 m long before coming to a stop. Judging from the skid mark, a policeman issued him a ticket for travelling over the 40.0 km/h speed limit. Given that the coefficient of friction between the tyres and the road was 0.580, explain whether Mark should challenge the speeding ticket in court or not. Justify your answer with clear calculation using the Work-Energy Theorem.

(a) Mark was driving his car on a country road when a dog appeared in front of his car. He immediately slammed on the brakes, leaving a skid mark of 13.0 m long before coming to a stop. Judging from the skid mark, a policeman issued him a ticket for travelling over the 40.0 km/h speed limit. Given that the coefficient of friction between the tyres and the road was 0.580, explain whether Mark should challenge the speeding ticket in court or not. Justify your answer with clear calculation using the Work-Energy Theorem.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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please help me solve this practice problem, please add on explantion with steps.The following is the answers

a)2.16

b)8.50, 6.00

c)-750

Mark was driving his car on a country road when a dog appeared in front of his car. He immediately slammed on the brakes, leaving a skid mark of 13.0 m long before coming to a stop. Judging from the skid mark, a policeman issued him a ticket for travelling over the 40.0 km/h speed limit. Given that the coefficient of friction between the tyres and the road was 0.580, explain whether Mark should challenge the speeding ticket in court or not. Justify your answer with clear calculation using the Work-Energy Theorem. (а) In a perfectly elastic collision, a 300 kg go-kart A was banged directly from behind by an identical go-kart B that was traveling in the same direction. The initial speed of the go-kart A was 6.00 m/s and that of the go-kart B was 8.50 m/s. Given that the masses of both drivers are the same, calculate (b) (i) the final speeds of each go-kart, and (11) the impulse for go-kart B.
Transcribed Image Text:Mark was driving his car on a country road when a dog appeared in front of his car. He immediately slammed on the brakes, leaving a skid mark of 13.0 m long before coming to a stop. Judging from the skid mark, a policeman issued him a ticket for travelling over the 40.0 km/h speed limit. Given that the coefficient of friction between the tyres and the road was 0.580, explain whether Mark should challenge the speeding ticket in court or not. Justify your answer with clear calculation using the Work-Energy Theorem. (а) In a perfectly elastic collision, a 300 kg go-kart A was banged directly from behind by an identical go-kart B that was traveling in the same direction. The initial speed of the go-kart A was 6.00 m/s and that of the go-kart B was 8.50 m/s. Given that the masses of both drivers are the same, calculate (b) (i) the final speeds of each go-kart, and (11) the impulse for go-kart B.
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