- 1(current)
Q. No.The radius of the circle, the period of revolution, initial position and direction of revolution are indicated in the figure.
The \(y\)-projection of the radius vector of rotating particle \(P\) will be:
| 1. | \(y(t)=3 \cos \left(\dfrac{\pi \mathrm{t}}{2}\right)\), where \(y\) in m |
| 2. | \(y(t)=-3 \cos 2 \pi t\) , where \(y\) in m |
| 3. | \(y(t)=4 \sin \left(\dfrac{\pi t}{2}\right)\), where \(y\) in m |
| 4. | \(y(t)=3 \cos \left(\dfrac{3 \pi \mathrm{t}}{2}\right) \), where \(y\) in m |
Subtopic: Â Phasor Diagram |
 77%
Level 2: 60%+
NEET - 2019
Hints
The displacement \( x\) of a particle varies with time \(t\) as \(x = A sin\left (\frac{2\pi t}{T} +\frac{\pi}{3} \right)\). The time taken by the particle to reach from \(x = \frac{A}{2} \) to \(x = -\frac{A}{2} \) will be:
| 1. | \(\frac{T}{2}\) | 2. | \(\frac{T}{3}\) |
| 3. | \(\frac{T}{12}\) | 4. | \(\frac{T}{6}\) |
Subtopic: Â Phasor Diagram |
 51%
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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