An shaped thin uniform rod of total length
is free to rotate in a vertical plane about a horizontal axis at
as shown in Figure.The bar is released from rest. Neglect air and contact friction. Determine the angular velocity (in rad/s) at the instant when it has rotated through
and reached the dotted position as shown. (Take
1/3m)
An shaped thin uniform rod of total length
is free to rotate in a vertical plane about a horizontal axis at
as shown in Figure.The bar is released from rest. Neglect air and contact friction. Determine the angular velocity (in rad/s) at the instant when it has rotated through
and reached the dotted position as shown. (Take
1/3m)
Three balls and
are placed on a smooth horizontal surface. Ball
collides with ball
with an initial velocity
as shown in Fig. Find the total number of collisions between the balls (all collisions are elastic)
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