If an object having a mass of 5 kg is acted upon by a force that causes its speed to increase from 6 m/s to 10 m/s, the impulse causing this change in speed is which of the
following?

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?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.