A particle of mass 2 kg is constrained to move along the trajectory y(x) = -5 x2 + 5 (m). If the particle starts at x = 0 m, calculate the work done by leftward force of size 5 N as it moves to x = 10 m, in J. (Please answer to the fourth decimal place - i. e 14.3225)

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