Q. A particle is oscillating according to the equation $X = 7\cos{0.5\pi t,}$ where $t$ is in second. The point moves from the position of equilibrium to maximum displacement in time

A) $4.0\ s$
B) $2.0\ s$
C) $1.0\ s$
D) $0.5\ s$
Explanation

(c) From given equation $\omega = \frac{2\pi}{T} = 0.5\pi \Rightarrow T = 4s$
Time taken from mean position to the maximum displacement $= \frac{1}{4}T = 1\ s$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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