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
  m/s 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
  m/s 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.
ΔK =
−2.81×105
  J Â
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Part E
Find the change in kinetic energy of the system of two vehiclesfor the situations of part C.
ΔK =
108475
  J Â
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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
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