The linear momentum of a ball of mass 50 gram is 0.5kgm/s.find its velocity.
A 10m/s
B 20m/s
C 50m/s
D 120m/s
Answers
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Given:-
- Mass of ball ,m = 50g
- Linear Momentum P = 0.5khm/s
To Find:-
- Final velocity ,v
Solution:-
Conversion of Unit
1kg = 1000g
∴ 50g = 50/1000kg = 0.05kg
As we know that Linear momentum is the product of mass and velocity.
• P = mv
Substitute the value we get
→ 0.5 = 0.05 × v
→ v = 0.5/0.05
→ v = 50/5
→ v = 10 m/s
∴ The final velocity of the ball is 10m/s.
Hence , Option (A) is the correct answer.
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