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As shown below, a 840 kg car traveling east collides with a 1730 kg pickup truck...

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Physics

As shown below, a 840 kg car traveling east collideswith a 1730 kg pickup truck that is traveling north. The twovehicles stick together as a result of the collision. After thecollision, the wreckage is sliding at vf = 19 m/s in thedirection θ = 25° east of north. Calculate the speed ofeach vehicle before the collision. The collision occurs during aheavy rainstorm so you can ignore friction forces between thevehicles and the wet road. Express your answers usingapropriate mks units.

A.) vcar,i =

B.) vtruck,i =

C.) Determine what fraction of the total initial KE isturned into thermal energy as a result of thecollision.

ΔTE
KEtotal,i

=

Answer & Explanation Solved by verified expert
3.8 Ratings (387 Votes)
Let us assume xaxis and yaxis of Cartesian coord systemcoincide with East and Northdirections as shown in figuremomentum mass x    See Answer
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