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A spaceman in training is rotated in a s...

A spaceman in training is rotated in a seat at the end of a horizontal arm of length 5 m. If he can with stand acceleration upto 9 g, then what is the maximum number of revolution per second permissible? (Take, g =`10ms^(-2)`)

A

13.5 rps

B

1.35 rps

C

0.675 rps

D

6.75 rps

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SL ARORA-Laws of Motion-Exercise
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  4. A small objective placed on a rotating horizontal turn table just slip...

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  7. Two wires AC and BC are tied at C of small sphere of mass 5kg which r...

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  8. On the centre of a frictionless table, a small hole is made, through w...

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  15. The velocity at which the mass of a particle becomes twice of its rest...

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  16. The velocity of body of rest mass m0 is frac(sqrt3)(2) c (where c is t...

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  18. For ordinary terrestrial experimants, the observer is an inertial fram...

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  19. In non inertial frames,Newton's second law of motion is written as ...

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  20. What is the other name for Newton's first law of motion?

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