Question

Two poles stand on the ground at a distance of 20m and 50 m respectively from a point A on the ground, the taller pole at 30 m from smaller pole. A cable originates from the top of the
taller pole, passing on the other pole ends on a hook at point A. If the length of the cable is 100
m, how much of it lies between the the two poles?
(a) 50m
(b) 40 m
(C) 60 m
(d) 80 m​

Answer 1

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Answer 2

Answer:

due to state of reference, motion or rest cannot be decided .

difference between circular motion and linear motion are :

I) C.M is done in closed path but L.M is done in open path or unclosed path

2)C.M cannot have straight path but LM have straight path

3)CM 's displacement is always zero but LM 's displacement cannot be zero

4) CM 's acceleration is always non zero but LM 's acceleration can be zero