Question

An object at rest suddenly explodes into three parts of equal masses. Two of the away at right angles to each other with equal speed of 10 m/s. The speed of the just after the explosion will be:

• A. 10 m/s
• B. 20 m/s
• C. 2$\sqrt{10}$ m/s
• D. 0
• E. 10√2 m/s

Answer 1

Answer: (E)

10√2 m/s

Answer 2

The correct answer is (E):10√2 m/s