Recent content by physicsstudent30192

Oh wow, I should read over the questions better...changed the 4/5 to 1/5 and it worked. Thanks drvrm for both answers.

Homework Statement 1.) A 1200 kg car traveling at 20 m/s collides with a stationary 1400 kg car. The two cars lock together. Determine the speed of the vehicles immediately after the collision if 80% of the initial kinetic energy is converted to heat and sound during the collision 2.) Must all...