A bicyclist, initially at rest, begins pedaling and gaining speed steadily for 4.30s during which she covers 31.0m. What was her final speed (in given units)?
___ mph

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

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? your

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell