An object attached to a spring is pulled across a frictionless surface. if the spring constant is 45 n/m and the spring is stretched by 0.88 m when the object is accelerating at 1.5 m/s2, what is the mass of the object?

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