A horse runs in a straight line, moving 38 m away in 9.0 s. It then turns back and runs halfway back in 1.8 s. Find its average speed and its average velocity

Abaseball is thrown a distance of 20 meters. what is its speed if it takes 0.5 seconds to cover the distance

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?