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A bullet of mass 0.01 kg is fired from a rifle. The bullet takes 0.003 s to move through the barrel and leaves with a velocity of 300 ms–1. The acceleration acting on the bullet is :
  • a)
    10,000 ms–2
  • b)
    100,000 ms–2
  • c)
    1000,000 ms–2
  • d)
    1000 ms–2
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A bullet of mass 0.01 kg is fired from a rifle. The bullet takes 0.003...
GIVEN,

MASS OF BULLET(m) = 10G = 10/1000 = 0.01KG

TIME TAKEN(t) = 0.003 SECS.

INITIAL VELOCITY (u) =300 M/S

FINAL VELOCITY (v) = 0.

ACCELERATION (a) =?

FORCE (F) = ?

BY USING 1ST EQUATION OF MOTION,

WE GET,

v = u + at

300 = 0 + a X 0.003

300 = a X 0.003

300/0.003 = a

100,000 = a

OR

a = 100,000 M/S2.

NOW,

WE KNOW THAT,

F = m X a

= 0.01 X 100,000

= 1000 N..
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Community Answer
A bullet of mass 0.01 kg is fired from a rifle. The bullet takes 0.003...
Mass of bullet =0.01kgTime taken =0.003sV=300m/sAcceleration =v---u/t =300--0/0.003 =300/0.003 =100×1000 =100000m/s square
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A bullet of mass 0.01 kg is fired from a rifle. The bullet takes 0.003 s to move through the barrel and leaves with a velocity of 300 ms–1. The acceleration acting on the bullet is :a)10,000 ms–2b)100,000 ms–2c)1000,000 ms–2d)1000 ms–2Correct answer is option 'B'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about A bullet of mass 0.01 kg is fired from a rifle. The bullet takes 0.003 s to move through the barrel and leaves with a velocity of 300 ms–1. The acceleration acting on the bullet is :a)10,000 ms–2b)100,000 ms–2c)1000,000 ms–2d)1000 ms–2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A bullet of mass 0.01 kg is fired from a rifle. The bullet takes 0.003 s to move through the barrel and leaves with a velocity of 300 ms–1. The acceleration acting on the bullet is :a)10,000 ms–2b)100,000 ms–2c)1000,000 ms–2d)1000 ms–2Correct answer is option 'B'. Can you explain this answer?.
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