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11 Dec 2019
A 1000kg car, travelling east at 30.0 m/s, collides with a 3000 kg truck, travelling north.
After the collision, the vehicles stick together and the combined wreckage moves at 55.0◦ north of east.
(a) What is the speed of the truck before the collision?
(b) What percentage of the initial kinetic energy of the system is lost during the collision?
A 1000kg car, travelling east at 30.0 m/s, collides with a 3000 kg truck, travelling north.
After the collision, the vehicles stick together and the combined wreckage moves at 55.0◦ north of east.
(a) What is the speed of the truck before the collision?
(b) What percentage of the initial kinetic energy of the system is lost during the collision?
Supratim PalLv10
3 Oct 2020
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