A 0.46-kg block is held in place against the spring by a 30-N horizontal external force.The external force is removed,and the block is projected with a velocity

v 1 = 1.2 \mathrm {~m} / \mathrm { s }

upon separation from the spring,as shown in the figure.The block descends a ramp and has a velocity

v _ { 2 } = 1.5 \mathrm {~m} / \mathrm { s }

at the bottom.The track is frictionless between points A and B.The block enters a rough section at point B,extending to E.The coefficient of kinetic friction between the block and the rough surface is 0.38.The velocity of the block is

v _ { 3 } = 1.4 \mathrm {~m} / \mathrm { s }

at point C.The block moves on to D,where it stops.What distance does the block travel between points B and D? $A 0.46-kg block is held in place against the spring by a 30-N horizontal external force.The external force is removed,and the block is projected with a velocity v 1 = 1.2 \mathrm {~m} / \mathrm { s } upon separation from the spring,as shown in the figure.The block descends a ramp and has a velocity v _ { 2 } = 1.5 \mathrm {~m} / \mathrm { s } at the bottom.The track is frictionless between points A and B.The block enters a rough section at point B,extending to E.The coefficient of kinetic friction between the block and the rough surface is 0.38.The velocity of the block is v _ { 3 } = 1.4 \mathrm {~m} / \mathrm { s } at point C.The block moves on to D,where it stops.What distance does the block travel between points B and D? A)0.30 m B)0.039 m C)0.26 m D)0.40 m E)0.60 m$
A)0.30 m
B)0.039 m
C)0.26 m
D)0.40 m
E)0.60 m

A Roller Coaster Starting from Rest Descends 35 Meters in Its

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