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23 Nov 2019

A car of mass 1203 kg collides head-on with a parked truck of mass 2000 kg. Spring mounted bumpers ensure that the collision is essentially elastic. If the velocity of the truck is 17 km/h (in the same direction as the car's initial velocity) after the collision, what is the initial speed of the car?

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Keith Leannon
Keith LeannonLv2
9 May 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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1) Two cars of the same mass collide at an intersection. Justbeforethe collision one car is traveling east at 55.0 km/h and the othercar is traveling south at30.0 km/h. If the collision iscompletelyinelastic, so the two cars move as one object after thecollision,what is the speed of the cars immediately after thecollision?
1

I am also stuck on this question below: I think it has the sameideaas the one above. PLEASE HELP!

2)A car with a mass of 1800 kg istraveling at a speed of 40.0 km/hon anicy road when it collides with a 10000 kg truck which wastravelingtoward the car with the speed of 18 km/h. The truck stopsmovingafter the collision. Find the change in the kinetic energy ofthesystem.
1 J


Thanks!



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