A tire swing is released from some initial height such that the speed of the tire at the
bottom of the swing is 2.5 m/s. What is the initial height of the tire? Note: g = 9.8 m/s2
A 0.13m
B 0.16m
C 0.32m
D 3.1 m

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