A particle is moving with a velocity \(\vec v=K(y \hat{i}+x\hat{j}),\) where \(K\) is a constant. The general equation for its path is: 
1. \(y=x^2+\text{constant}\)
2. \(y^2=x+\text{constant}\)
3. \(y^2=x^2+\text{constant}\)
4. \(xy=\text{constant}\)
Subtopic:  Position & Displacement |
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A particle starts from the origin at time \(t=0 \) with an initial velocity of \(5\hat{j}~\text{ms}^{-1}. \) It moves in the \(XY \text-\)plane under a constant acceleration of \(\left(10\hat{i}+4\hat{j}\right)~\text{ms}^{-2} .\) At some later time \(t,\) the coordinates of the particle are \((20~\text{m}, y_0~\text{m}). \) The values of \(t \) and \(y_0 \)​ are, respectively:
1. \(4~\text{s}\) and \(52~\text{m}\)
2. \(5~\text{s}\) and \(25~\text{m}\)
3. \(2~\text{s}\) and \(18~\text{m}\)
4. \(2~\text{s}\) and \(24~\text{m}\)

Subtopic:  Position & Displacement |
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A person moves from point \(A\) to point \(B\) along a circular path, as shown in the figure below. If the distance traveled by the person is \(60\) m, then the magnitude of displacement would be: (given that \(\cos135^\circ =-0.7\))
1. \(42\) m 2. \(47\) m
3. \(19\) m 4. \(40\) m
Subtopic:  Position & Displacement |
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A cyclist starts from the point P of a circular ground of radius \(2\) km and travels along its circumference to the point S. The displacement of a cyclist is –

1. \(4\) km
2. \(6\) km
3. \(\sqrt{8}\) km
4. \(8\) km
 
Subtopic:  Position & Displacement |
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