The spring constant = 31 N/m, the spring's compression is 0.10 m, the ball's mass is 0.016 kg, the height of the ramp is 10 cm, theta is 35 °and the top of the table is 1.1 m above the floor. With what speed will the ball hit the floor?

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