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A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant spped. If the stone makes 22 revolutions in 44 s, what is the magnitude and direction of acceleration of the stone?
Options
(a) ?ￂﾲ/4 ms⁻² and direction along the radius towards the centre
(b) ?ￂﾲ ms⁻² and direction along the radius away from centre
(c) ?ￂﾲ ms⁻² and direction along the radius towards the centre
(d) ?ￂﾲ ms⁻² and direction along the tangent to the circle
Correct Answer:
?ￂﾲ ms⁻² and direction along the radius towards the centre
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- The displacement of an object attached to a spring and executing simple harmonic
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- The displacement of an object attached to a spring and executing simple harmonic
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- In L-C-R series circuit, an alternating emf e and current i are given by the equations
- A ray of light travelling in a transparent medium of refractive index µ, falls on surface
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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