A 1100-kg car is coasting on a horizontal road with a speed of 19 m/s. After passing over an unpaved, sandy stretch 32 m long, the car's speed has decreased
to 12 m/s. What work was done on the car to change its kinetic energy?

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit