A 60 kg person runs at 4 m/s and jumps onto a stationary 5 kg skateboard. The two then move off together. What is the final velocity of the pair?

An automobile of mass 2000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10000 n. how far does the car travel before stopping?

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f