Here represents the position vector of a particle at time t and and a are non-zero.
Column – ICol…

Question

Here  represents the position vector of a particle at time t and  and a are non-zero.
Column – IColumn – II(i) = cos ωt  +sin ωt + at [A] Constant speed(ii)  = 5 cos ωt  + 5 (sin ωt + t) [B] Helical motion(iii)  = 5 at2  + 2at [C] Constant non-Zero magnitude of tangential of acceleration (iv)  = 5[(cos ωt)  + (sin ωt)][D] Constant magnitude of total acceleration[E] Circular motion

CGP Edu Experts · Accepted Answer

The correct answer is CHECK THE SOLUTION.. Ans.
(i) [A], [B], [C], [D]
(ii) [D]
(iii) [D]
(iv) [A], [D], [E]
Sol. (i) Constant speed, Helical motion, Constant non-Zero magnitude of tangential of acceleration, Constant magnitude of total acceleration
(ii) Constant magnitude of total acceleration
(iii) Constant magnitude of total acceleration
(iv) Constant speed, Constant magnitude of total acceleration, Circular motion

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Column – I	Column – II
(i) = cos ωt + sin ωt + at	[A] Constant speed
(ii) = 5 cos ωt + 5 (sin ωt + t)	[B] Helical motion
(iii) = 5 at2 + 2at	[C] Constant non-Zero magnitude of tangential of acceleration
(iv) = 5[(cos ωt) + (sin ωt)]	[D] Constant magnitude of total acceleration
	[E] Circular motion

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