Exercise 8.36 A 1050 kg sports car is moving westbound at 13.0 m/son a level road when...

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Physics

Exercise 8.36
A 1050 kg sports car is moving westbound at 13.0 m/son a levelroad when it collides with a 6320 kg truck driving east on the sameroad at 12.0 m/s . The two vehicles remain locked together afterthe collision.
Part A
What is the velocity (magnitude) of the two vehicles just afterthe collision?
v =
8.44
Â Â m/sÂ Â
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Correct
Part B
What is the direction of the velocity of the two vehicles justafter the collision?
to the west
to the east
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Correct
Part C
At what speed should the truck have been moving so that it andcar are both stopped in the collision?
v =
2.16
Â Â m/sÂ Â
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Correct
Part D
Find the change in kinetic energy of the system of two vehiclesfor the situations of part A.
Î”K =
âˆ’2.81Ã—10⁵
Â Â JÂ Â
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All attempts used; correct answer displayed
Part E
Find the change in kinetic energy of the system of two vehiclesfor the situations of part C.
Î”K =
108475
Â Â JÂ Â
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Incorrect; Try Again; 5 attempts remaining

Answer & Explanation Solved by verified expert

3.8 Ratings (422 Votes)

Take East as the positive direction Mass of the truck M 6320 kg Mass of the car m 1050 kg Speed of the truck V 12 ms Speed of the car v 13 ms A sing the See Answer

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