# Answer on Mechanics | Relativity Question for a.o

Question #70794

A 5 kg block is attached by means of a string to a 2 kg block on a 30 slope. The string is passed over a 3 kg pulley. The co-efficient of sliding friction between the 2 kg block and the slope is 0.2.

Find the velocity of the hanging masspiece after the hanging masspiece has moved down 0.5 m. Solve this problem two different ways:

(a) Using energy considerations.

(b) Using Newton’s Second Law of Motion.

Find the velocity of the hanging masspiece after the hanging masspiece has moved down 0.5 m. Solve this problem two different ways:

(a) Using energy considerations.

(b) Using Newton’s Second Law of Motion.

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