The acceleration of the particle performing S.H.M. is 0.168 m/s2, when the particle is at a distance of 2.2 cm from its extreme position. The amplitude of oscillation, if maximum acceleration of the particle is 0.3 m/s2, is
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Answer:
3.9cm
Explanation:
we know that,
a=0.168 m/s²
a(max)=0.3m/s²
let us considered a position from extreme position as x=2.2cm=2.2* 10-2m
therefore we can write here and equation as
x=A coswt .......1
double differentiation gives
a=Aw² coswt .......2
from equation 1
2.2*10-2/A = coswt
putting this value in equation 2
0.168=Aw² (2.2*10-2/A)
w²=7.63 ......3
putting the value of equation 3
a(max)=Aw²
0.3=A*7.63
A= 0.039m or 3.9cm
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