A uniform solid sphere of radius 
is rolling on a smooth horizontal surface with velocity 
and angular velocity 
. The sphere collides with a sharp edge on the wall as shown in Figure. The coefficient of friction between the sphere and the edge 
. Just after the collision the angular velocity of the sphere becomes equal to zero. The linear velocity of the sphere just after the collision is equal to
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a)
b)
c)
d)
is rolling on a smooth horizontal surface with velocity and angular velocity . The sphere collides with a sharp edge on the wall as shown in Figure. The coefficient of friction between the sphere and the edge . Just after the collision the angular velocity of the sphere becomes equal to zero. The linear velocity of the sphere just after the collision is equal toa)
b)
c)
d)
Question ID - 100525 | SaraNextGen Top Answer A uniform solid sphere of radius is rolling on a smooth horizontal surface with velocity and angular velocity . The sphere collides with a sharp edge on the wall as shown in Figure. The coefficient of friction between the sphere and the edge . Just after the collision the angular velocity of the sphere becomes equal to zero. The linear velocity of the sphere just after the collision is equal to
a)
b)
c)
d)
A uniform solid sphere of radius is rolling on a smooth horizontal surface with velocity and angular velocity . The sphere collides with a sharp edge on the wall as shown in Figure. The coefficient of friction between the sphere and the edge . Just after the collision the angular velocity of the sphere becomes equal to zero. The linear velocity of the sphere just after the collision is equal to
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a) |
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b) |
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c) |
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d) |
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(a)
Impulse provided by the edge in the horizontal direction:
…(i)
Friction impulse in the vertical direction
…(ii)
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From Eqs. (i) and (ii), we get
and 