A truck of mass mT = 2000 kg is going north on Guadalupe with a speed of 4 m/s. The truck is struck by an eastbound car (mass of 1000 kg) traveling...

A truck of mass mT = 2000 kg is going northon Guadalupe with a speed of 4 m/s. Thetruck is struck by an eastbound car (mass of1000 kg) traveling on 24th street. From theskidmarks after the collision, it is deducedthat the mangled wreckage, which sticks to-gether after the collision was skidding at angle20◦ with respect to the initial direction of thecar.What was the initial speed of the car?