A particle is making simple harmonic motion along the X-axis. If at a distances x1 and x2 from the mean position the velocities of the particle are respectively. The time period of its oscillation is given as:
A particle is making simple harmonic motion along the X-axis. If at a distances x1 and x2 from the mean position the velocities of the particle are respectively. The time period of its oscillation is given as:
Option 1 - <p>T = <span class="mathml" contenteditable="false"> <math> <mrow> <mn>2</mn> <mi>π</mi> <mroot> <mrow> <mfrac> <mrow> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>−</mo> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> <mrow> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>−</mo> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> </mfrac> </mrow> <mrow></mrow> </mroot> </mrow> </math> </span></p>
Option 2 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>T</mi> <mo>=</mo> <mn>2</mn> <mi>π</mi> <mroot> <mrow> <mfrac> <mrow> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> <mrow> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>−</mo> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> </mfrac> </mrow> <mrow></mrow> </mroot> </mrow> </math> </span></p>
Option 3 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>T</mi> <mo>=</mo> <mn>2</mn> <mi>π</mi> <mroot> <mrow> <mfrac> <mrow> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>−</mo> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> <mrow> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> </mfrac> </mrow> <mrow></mrow> </mroot> </mrow> </math> </span></p>
Option 4 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>T</mi> <mo>=</mo> <mn>2</mn> <mi>π</mi> <mroot> <mrow> <mfrac> <mrow> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <msubsup> <mrow> <mi>x</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> <mrow> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <msubsup> <mrow> <mi>υ</mi> </mrow> <mrow> <mn>2</mn> </mrow> <mrow> <mn>2</mn> </mrow> </msubsup> </mrow> </mfrac> </mrow> <mrow></mrow> </mroot> </mrow> </math> </span></p>
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6 months ago
Correct Option - 1
Detailed Solution:
As we know that for SHM, so
Subtracting equation (ii) from equation (i), we have
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Then,
Given mg = kL
∴ Iα = (kLθ.L + k (L/2)²θ - mg (L/2)θ)
(mL²/3)α = kL² (3/4)θ (restoring torque)
α = (9k/4m)θ
∴ ω = (3/2)√ (k/m)
y = A sin (2πt/T)
t? - t? = (T/2π) [sin? ¹ (x? /A) - sin? ¹ (x? /A)]
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