A 2130kg car is moving at 21.5 m/s, runs into a car with a mass of 2240kg and is moving at 11.4 m/s in the same direction. The cars stick together after the collision. Assuming momentum is conserved, what is their final velocity?

A) 19.4 m/s
B) 16.3 m/s
C) 12.5 m/s
D) 14.1 m/s

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Why should seat belts not be mandatory quick plz

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final