After shopping, it took Dave 45seconds to push a shopping cart directly to his car. In one-third of that time, Dave had moved 30meters at a constant velocity. What was the cart's velocity?

Sophie ran a total of 120meters directly toward school at a constant velocity. She ran one-third of that distance in 4seconds. What was her velocity?

A 58 kg man is riding on a 60 kg cart traveling at a speed of 1 m/s. He jumps off with zero horizontal speed (relative to the ground). What is the resulting change in the speed of the cart?

A box moved down a factory conveyor belt at a constant velocity for 0.1minutes. During that time, a factory worker walked past the box at 58 meters per minute, and the box moved 3meters. What was the box's velocity?

For 36minutes, Akira drove her tractor at a constant velocity across a field. In one-quarter of this time, her tractor traveled 270meters. What was the tractor's velocity?

Martha rode her motorcycle 50kilometers down a straight freeway at a constant velocity. She rode that distance in 0.5hours. What was her velocity?