3. Suppose a free-fall ride at an amusement park starts at rest and is in free fall. a. What is the velocity of the ride after 2.3 s?
b. How far do people on the ride fall during the 2.3-s time period?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.