A mass m is released from a height 80 cm from the right-hand side of the track shown in the diagram at right.There is only friction acting along the horizontal portion 30 cm either side of the midpoint O with a kinetic coefficient of friction of $\mu$_k = 0.4.Determine (i)how many times does the mass m pass through the midpoint O,and (ii)how far from the midpoint does it come to rest. A)6,.1 m B)6,.2 m C)3,.2 m D)3,.1 m E)1,2 cm

Question

Quizplus · Accepted Answer

The Answer of A mass m is released from a height 80 cm from the right-hand side of the track shown in the diagram at right.There is only friction acting along the horizontal portion 30 cm either side of the midpoint O with a kinetic coefficient of friction of $\mu$_k = 0.4.Determine (i)how many times does the mass m pass through the midpoint O,and (ii)how far from the midpoint does it come to rest. A)6,.1 m B)6,.2 m C)3,.2 m D)3,.1 m E)1,2 cm

A Mass M Is Released from a Height 80 Cm μ\muμ

A Mass M Is Released from a Height 80 Cm $\mu$