Aparticle of mass2.5kg moves in a cnservative force field. its potential energy curveis dhwn below. from the curve, detrmine(a)the totalmechanical energy curve particle at x=1.3m if it has a speed of 8ms-1 and (b)the minimum total energy at which the particle can escape from the force field. if etot=150j, wherewould the particle have (i) zero velocity (ii) maximum velocity

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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