ExamSIDE
Questions
1
AIPMT 2005
MCQ (More than One Correct Answer)
+4
-1
A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revoluations in 44 seconds, what is the magnitude and direction of acceleration of the stone ?
A
$${\pi ^2}\,$$ m s$$-$$2 and direction along the radius towards the centre
B
$${\pi ^2}\,$$ m s$$-$$2 and direction along the radius away from the centre
C
$${\pi ^2}\,$$ m s$$-$$2 and direction along the tangent to the circle
D
$${\pi ^2}\,$$/4 ms$$-$$2 and direction along the radius towards the centre.
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