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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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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work done in rotating a magnetic of magnetic moment 2 A-m² in
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- The control rods used in a nuclear reactor can be made up of
- The de-Broglie wavelength associated with an electron accelerated by a potential
- A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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