1. A car moving at 8 m/s crashes into a tree and stops in 0.29 s. The mass of the passenger is 74 kg. SET-UP (a) Passenger's velocity before the crash=8 (b) Passenger's velocity after the crash=0 (c) Time elapsed during the crash = 0.29 Calculate S m/s m/s

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Chapter1: Units, Trigonometry. And Vectors
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Knowledge Check: Crashing Car
1. A car moving at 8 m/s crashes into a tree and stops in 0.29 s. The mass of the passenger is 74 kg.
SET-UP
O Search
(a) Passenger's velocity before the crash =
(b) Passenger's velocity after the crash = 0
(c) Time elapsed during the crash = 0.29
Calculate
(d) the magnitude of the force the seat belt exerts on a passenger in the car to bring him to a halt.
Feffective -2.041x10³N
! No, that's only partially correct
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Transcribed Image Text:eco Knowledge Check: Crashing Car 1. A car moving at 8 m/s crashes into a tree and stops in 0.29 s. The mass of the passenger is 74 kg. SET-UP O Search (a) Passenger's velocity before the crash = (b) Passenger's velocity after the crash = 0 (c) Time elapsed during the crash = 0.29 Calculate (d) the magnitude of the force the seat belt exerts on a passenger in the car to bring him to a halt. Feffective -2.041x10³N ! No, that's only partially correct You scored 3 out of 4 in this assessment. You have 1 more attempts left. View Forum Activities (0 new of 0) Next Try Again Next incomplete activity in this module f6 7- 17 S M+ fa m/s Knowledge Check: Bouncing Ball This Knowledge Check will help you determine your understanding of the topics presented in this section 99+ m/s W fin
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