For a particle rotating in a vertical circle with uniform speed, the maximum and minimum tension in the string are in the ratio 5 : 3. If the radius of vertical circle is 2 m, the speed of revolving body is
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Step 1: Let the maximum tension in the string be T_max and the minimum tension be T_min. Show more…
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For a particle rotating in a vertical circle with uniform speed, the maximum and minimum tension in the string are in the ratio $5: 3$. If the radius of vertical circle is $2 \mathrm{~m}$, the speed of revolving body is $\left(g=10 \mathrm{~m} / \mathrm{s}^{2}\right)$ (A) $\sqrt{5} \mathrm{~m} / \mathrm{s}$ (B) $4 \sqrt{5} \mathrm{~m} / \mathrm{s}$ (C) $5 \mathrm{~m} / \mathrm{s}$ (D) $10 \mathrm{~m} / \mathrm{s}$
The maximum and minimum tension in the string whirling in a circle of radius $2.5 \mathrm{~m}$ with constant velocity are in the ratio $5: 3$, then its velocity is (a) $\sqrt{98} \mathrm{~ms}^{-1}$ (b) $7 \mathrm{~ms}^{-1}$ (c) $\sqrt{490} \mathrm{~ms}^{-1}$ (d) $\sqrt{4.9} \mathrm{~ms}^{-1}$
Circular Motion
Round 1
"A body of mass of 100g is attached to a 1m long string and it is revolving in a vertical circle. When the string makes an angle of 60o with the vertical then its speed is 2 m /s . The tension in the string at 60o will be"
Kamlesh G.
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