A 1 105.0 kg car traveling initially with a speed of 25.000 m/s in an easterly...
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A 1 105.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into the back of a 8 000.0 kg truck moving in the same direction at 20.000 m/s. The velocity of the car right after the collision is 18.000 m/s to the east. Vcf VTf VCi Before After Ⓡ (a) What is the velocity of the truck right after the collision? (Give your answer to five significant figures.) 4.0 20.967 ✔m/s east (b) What is the change in mechanical energy of the car-truck system in the collision? x A 1 105.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into the back of a 8 000.0 kg truck moving in the same direction at 20.000 m/s. The velocity of the car right after the collision is 18.000 m/s to the east. Vcf VTf VCi Before After Ⓡ (a) What is the velocity of the truck right after the collision? (Give your answer to five significant figures.) 4.0 20.967 ✔m/s east (b) What is the change in mechanical energy of the car-truck system in the collision? x
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