Questions
The maximum tension a rope can with stand is . The ratio of maximum accelerations with which two boys of masses and can climb up the rope is, if g= 10 m
detailed solution
Correct option is A
T=m(g+a)⇒ 60g=30(a1+g)⇒ a1=g ⇒ 60g=20(a2+g)⇒ a2=2g⇒a1:a2=1 :2Talk to our academic expert!
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Figure shows block A a motor C mounted on a with combined mass m and another block B of mass 2m. Block B is attached to shaft of motor with a light inextensible string. Motor is switched on at t =0 and string starts winding on its shaft and block B starts moving at acceleration a. If initial separation between blocks is l then find the time after which the two bodies will collide. The friction coefficient between blocks and ground is .
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