Anna Litical and Noah Formula are doing The Cart and the Brick Lab. They drop a brick on a 1.82 kg cart moving at 27.8 cm/s. After the collision, the dropped brick and cart are moving together with a velocity of 13.1 cm/s. Determine the mass (in kg) of the dropped brick.?

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.