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Questions  

The maximum speed and acceleration of a particle executing simple harmonic  motion are 10cms1   and 50cms2  . Magnitude of displacement of the particle when  the speed is 2.5cms1   is

a
0.6 cm
b
1.2 cm
c
0.8 cm
d
154 cm

detailed solution

Correct option is D

Aω=10; Aω2=50⇒A=2cm;ω=5rads−1using v=ωA2−x22.5=522−x2⇒x=±154cm.

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