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Consider the track shown in the figure. The section $AB$ is one quadrant of a circle of radius $2\mathrm{.}0$ m and is frictionless. B to C is a horizontal span $2\mathrm{.}3$ m long with a coefficient of kinetic friction ${}_k=0\mathrm{.}19.$ The section CD under the spring is frictionless. A block of mass $1\mathrm{.}0$ kg is released from rest at A$.$ After sliding on the track, it compresses the spring by $0\mathrm{.}35$ m $.($Figure $1)$

Part A

Determine the velocity of the block at point B$.$

Express your answer to $3$ significant figures and include the appropriate units.

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Part B

Part C

Part D

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Figure $1$ of $1$