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 bridge of 122.5 metre above a river. after ball h...

## Questions waiting to be answered at www.askphysics.com

**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

## 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

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)

## 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 to which the two balls rise after the collision

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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 When the ball is rolling on the ground, it is having translatory motion as well as rotational motion. Incoming search terms:physics from rotation to [...]

## 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