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+1 vote
89.1k views
in Physics by (14.7k points)
The equation of motion of a particle started at t = 0 is given by x = 5 sin (20 t + π/3) where x is in centimetre and t in second. When does the particle
(a) first come to rest

(b) first have zero acceleration
(c) first have maximum speed ?

1 Answer

+2 votes
by (323k points)
selected by
 
Best answer

x = 5 sin (20t + π/3)
a) Max. displacement from the mean position = Amplitude of the particle.

At the extreme position, the velocity becomes ‘0’.

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