If a marathon runner averages 9.39 mi/h, how long does it take him or her to run a 26.22-mi marathon? express your answers in h, min and s.

A36,287 kg truck has a momentum of 907,175 kg • . what is the truck’s velocity

Aforce of 500.0 is represented graphically with its tail at the origin and the tip ointed in a direction 30.0° above the positive x-axis. what are the x- and y- components of the vector?

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in this collision? explain why or why not.