Question

11. The shortest distance travelled by a particle
executing SHM from extreme position in 3 seconds
is equal to half of its amplitude. The time period of
given particle is
[NCERT Pg. 344]
(1) 18 seconds
(2) 36 seconds
(3) 9 seconds
(4) 6 seconds

Please solve this by phaser method or normal method will aslo do​

Answer 1

Answer:

(1) 18 seconds

Explanation:

A/2=Acoswt

Wt=π/3

2π/T×t=π/3

t=π/6

T=6t=6×3=18 seconds