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A sphere is accelerated upwards with the...

A sphere is accelerated upwards with the help of a cord whose braking strength is five times its weight. The maximum acceleration with which the sphere can move up without cord breaking is :-

A

4g

B

3g

C

2g

D

g

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The correct Answer is:
A
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ALLEN-RACE-Basic Maths (NEWTONS LAWS OF MOTION)
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  2. Calculate a, T(1), T(2), T(1)' & T(2)'.

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  3. Calculate a & T.

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