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A ball is moving in a circular path of radius 5 m.If tangential acceleration at any instant is 10 m/s ² and the net acceleration makes an angle 30° with the centripetal acceleration, then the instantaneous speed is
Options
(a) 50√3 m/s
(b) 9.3 m/s
(c) 6.6 m/s
(d) 5.4 m/s
Correct Answer:
9.3 m/s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
- The electirc field in a certain region is acting radially outward and is given by E=Ar.
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- A vibration magnetometer placed in magnetic meridian has a small bar magnet
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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