A bullet of mass 2g is fired horizontally into a block of wood of mass 498g. The block is suspended by a light inextensible string so...

      

A bullet of mass 2g is fired horizontally into a block of wood of mass
498g. The block is suspended by a light inextensible string so that it is able to move in a vertical plane. The block and the bullet move together through a vertical distance of 8.6cm as shown in figure below.
fig364620191109.png
I. Calculate the change in gravitational potential energy of the block and bullet.
II. Calculate the initial velocity of the block and bullet after they start moving together.
III. Determine the speed of the bullet before the impact with the block.

  

Answers


Kavungya
fig374620191110.png
fig384620191112.png
Kavungya answered the question on June 4, 2019 at 08:14


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