The amplitude of a damped oscillator decreased to 0.9 times to its original magnitude in 5s .In another 10s it will decrease to alpha times its original magnitude,where alpha equals to
Answer is 0.789
Plz anyone help to solve it properly and in simple language



The Brainliest Answer!
Plz check this.....and my ans is coming approximately

1 5 1
Thanks for help me,but the answer is accurate