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A block of mass 18 kg and a block of mass 6 kg are attached by...

A block of mass 18 kg and a block of mass 6 kg are attached by a massless string that does not stretch. The string is passed over a massless, frictionless pulley. The blocks are released. The blocks slide against vertical walls as they move, which results in a frictional force of 25N acting on the heavier block and a frictional force of 14N acting on the lighter block.

(a) Determine the magnitude of the acceleration of each block.

__________________________m/s2

(b) Determine the tension in the string.

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