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CBSE Class 11-science Answered

A bullet moving at 900 kmph penetrates 0.1 m into a tree before it stops. If the force exerted by the tree is uniform and if the mass of the bullet is 10 g , then the force exerted by the bullet on the tree is ?
Asked by aruni_maiyer | 04 Oct, 2010, 12:12: PM
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Answered by | 04 Oct, 2010, 02:42: PM

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CBSE 11-science - Physics
Respected Ma'am/Sir please clarify my doubt.
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Two blocks of mass m=5kg and M=10 kg are connected by a string passing over a pulley B as shown. Another string connects the centre of the pulley B to the floor and passes over another pulley A as shown. An upward force F is applied at the centre of pulley A. Both the pulleys are massless. Find the acceleration of both the blocks if 1) F=100N.  2)F=500N
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