The diagram shows a swinging pendulum pendulum drain every swing depend panel speed and position change three positions during the swing identified as position one position do in position three at which point with the most of the pendulum’s potential

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

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?

The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?