# Solution: Two objects is moving toward each other, what is their velocity after collision?

(Last Updated On: January 18, 2020)

#### Problem Statement: ECE Board November 1998

A 16 gram mass is moving at 30 cm/sec while a 4 gram mass is moving in an opposite direction at 50 cm/sec. They collide head on and stick together. Their velocity after collision is

• A. 0.14 m/s
• B. 0.21 m/s
• C. 0.07 m/s
• D. 0.28 m/s

The velocity ater collision is 0.14 m/s.

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