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A 15.0 kg plate head explodes into three pieces A 6.0 kg chunk flies off at...

A 15.0 kg plate head explodes into three pieces A 6.0 kg chunk flies off at 12.0 m/s 15o N of W and a 5.0 kg chunk sails at 8.0 m/s 35o E of S. What is the velocity of the final piece?

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Answer #1

Mass of plate , initially the plate is at rest.

Masses of 3 chunks are , and

are unit vectors along positive X and positive Y axes respectively.

Conserving the momentum of the plate and the 3 chunks,

Velocity of 3rd chunk is

Its direction is North of East.

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