Calculate the force of kinetic friction on a 12.3 kg mass if its coefficient of kinetic friction is 0.137

The two required components for a generator

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

Why is the use of carbon-14 limited