A 0.200 kg hockey puck is moving at 5m/s when it comes to a rough patch where the friction force is 4.8 N, opposite it’s motion. How far does the puck move before coming to rest?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?