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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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- A galvanometer of 50 Ω resistance has 25 divisions. A current of 4×10⁻⁴ A gives
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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 ratio of the radii or gyration of a circular disc to that of a circular ring
- A galvanometer of 50 Ω resistance has 25 divisions. A current of 4×10⁻⁴ A gives
- Carbon,silicon and germanium have four valence electrons each. At room temperature
- When aluminium is added as an impurity to silicon, the resulting material is
- The valence band and the conductance band of a solid overlap at low temperature
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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