Alright so I found r2(r2= 123.45)
Then i plugged it into the RCM = \frac{1}{mtotal} \summr
r2= 123.45
(sorry for my formatting still getting the hang of it)
came out with the answer 98.1.
Im not getting the correct answer anything that I'm doing wrong?
1. A 280kg flatcar 21 m long is moving with a speed of 7.0 m/s along horizontal frictionless rails. A 85kg worker starts walking from one end of the car to the other in the direction of motion, with speed 1.5 m/s with respect to the car. In the time it takes for him to reach the other end, how...