Numerical Problems based on Newton’s Laws
1.A machine gun has a mass of 20 kg. it fires 30g bullets at the rate of 400 bullets per second with a speed of 400 m/s. what force must be applied to the gun to keep it in position? 2.A ball of mass...
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Example for rotation and translation together
“Please explain me motion of rigid body having both motion i.e translatory and rotational. Please explain me logically” – Anoop Asked Answer: When a ball spins at the same place, it is in rotation...
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Problem based on Collision
A ball of mass m moving horizontally at a speed v collides with the bob of a simple pendulum at rest. The mass of the bob is also m . If the collision is perfectly inelastic, what will be the height...
View Articlea ball is dropped from elevator moving upward with an accleration ‘a’ by a...
Divya asks: a ball is dropped from elevator moving upward with an accleration ‘a’ by a boy standing in it . the acceleration of ball with respect to elevator is? (take upward direction positive) No...
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Can you answer these? A bullet of mass m is fired with a velocity v and strikes a a block of mass M suspended by a string of length L. the bullet gets embedded in the block. What is the angle the the...
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More problems coming in; Try to answer now!
Stuti posted these: a particle is thrown with any velocity vertically upward. the distance traveled by particle in last sec of ascent is 1)g 2)g/2 3)g/4 4)cant be calculated a ball is dropped from a...
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