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A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at...

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Physics

A 900-kg car traveling east at 20.0 m/s collides with a 750-kgcar traveling north at 15.0 m/s. The cars stick together. Assumethat any other unbalanced forces are negligible. (DrawDiagrams)

(a) What is the speed of the wreckage just after thecollision?

(b) In what direction does the wreckage move just after thecollision?

(c) What is the total Kinetic Energy before the collision?

(d) What is the total Kinetic Energy after?

Answer & Explanation Solved by verified expert
4.4 Ratings (605 Votes)
Using conservation of momentum we haveX m1 v1 m1 m2 vf cos eq1 Y m2 v2 m1 m2 vf sin eq2 dividing eq2 by    See Answer
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