Question

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Answer 1

Answer:

4m/s

Explanation:

Momentum is conserved.

Total momentum before the collision and after the collision will be equal.

m1v1 = m2v2

m2 = 0.05 + 0.15 = 0.2 (plastic collision)

0.05 x 16 = 0.2 x v2

v2 = 4m/s

Answer 2

Answer:

Explanation:

M1U1 + M2U2 = (M1 + M2)V

0.05 × 16 + 0.15 × 0 = ( 0.05 + 0.15)V

0.8 = 0.2 V

V = 4 m/s