A billiard ball moving with a speed of 5 ,m/s collides with an id… - Vidyadip

MCQ

A billiard ball moving with a speed of $5 \,m/s$ collides with an identical ball originally at rest. If the first ball stops after collision, then the second ball will move forward with a speed of ........... $m{s^{ - 1}}$

A
$10$
✓
$5$
C
$2.5$
D
$1.0$

✓

Answer

Correct option: B.

$5$

b
(b)In elastic head on collision velocities gets interchanged.

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