block m2 receives a horizontal velocity v0
Figure shows a hollow cube of side ‘a’ and volume ‘V’. There is a small chamber of volume V/4 in the cube as shown. The chamber is completely filled by in kg of water. Water leaks through a hole H and spreads in the whole cube. Then the work done by gravity in this process assuming that the complete water finally lies at the bottom of the cube is
21
Sep
Figure shows a hollow cube of side ‘a’ and volume ‘V’. There is a small chamber of volume V/4 in the cube as shown. The chamber is completely filled by in kg of water. Water leaks through a hole H and spreads in the whole cube. Then the work done by gravity in this process [...]
A bomb of mass 3 m is kept inside a closed box of mass 3 m and length 4 l at its centre. It explodes in two parts of mass m and 2m. The two parts move in the opposite directions and stick to the opposite sides of the walls of the box. The box is kept on a smooth horizontal surface. What is the distance moves by the box during this time interval.
21
Sep
A bomb of mass 3 m is kept inside a closed box of mass 3 m and length 4 l at its centre. It explodes in two parts of mass m and 2m. The two parts move in the opposite directions and stick to the opposite sides of the walls of the box. The box [...]
Two blocks m1 and m2 are pulled on a smooth horizontal surface, and are joined together with a spring of stiffness k as shown in Fig. Suddenly, block m2 receives a horizontal velocity v0, then the maximum extension xm in the spring is
21
Sep
Two blocks m1 and m2 are pulled on a smooth horizontal surface, and are joined together with a spring of stiffness k as shown in Fig. Suddenly, block m2 receives a horizontal velocity v0, then the maximum extension xm in the spring is and are joined together with a spring of stiffness k as shown [...]