A 3.0-kilogram block is initially at rest on a frictionless, horizontal surface. A boat requires a horizontal force of 600 Newtons to move it across the water at 15 meters per second. The boat's engine must provide energy at the rate of?

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.

The energy released by a nuclear fusion reaction is produced when

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?