Momentum and Impulse

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As a 1250kg car was passing through an intersection at 8.12m/s (0deg) it was hit broadside by a pickup truck running a red light at 8.25m/s (90deg). Immediately after the 0.185s collision, the velocity the the car was 5.65m/s (73.1deg), and the velocity of the truck was 64.7m/s (38.5deg). What is the mass of the truck? What is the percentage of kinetic energy lost in the inelastic collision? The answer to the second question is 44.2% but I get 44.13460052% ....am I wrong or is the answer wrong? 

Jun 11th, 2015

Thank you for the opportunity to help you with your question!

the answer you get 44.134 is correct because the error as 0.1 allowed ................................................


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Jun 11th, 2015

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