A 1,220-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,400-kg truck moving in the same direction at 20.0 m/s velocity of the car right after the collision is 18.0 m/s to the east. +25.0 m/s +20.0 m/s +18.0 m/s Before After (a) What is the velocity of the truck right after the collision? (Round your answer to at least three decimal places.) (b) How much mechanical energy is lost in the collision?
A 1,220-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,400-kg truck moving in the same direction at 20.0 m/s velocity of the car right after the collision is 18.0 m/s to the east. +25.0 m/s +20.0 m/s +18.0 m/s Before After (a) What is the velocity of the truck right after the collision? (Round your answer to at least three decimal places.) (b) How much mechanical energy is lost in the collision?
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Transcribed Image Text:A 1,220-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,400-kg truck moving in the same direction at 20.0 m/s
velocity of the car right after the collision is 18.0 m/s to the east.
+25.0 m/s
+20.0 m/s
+18.0 m/s
Before
After
(a) What is the velocity of the truck right after the collision? (Round your answer to at least three decimal places.)
(b) How much mechanical energy is lost in the collision?
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