Answer:
time period of oscillation is 0.31 seconds
Step-by-step explanation:
we shall know the formula:
......where m is mass and k is force constant.
change 200gm into kg, then it will be 0.2 kg
T = 2π√0.2÷80
T = 0.314 seconds
T = 0.31 seconds rounded to 2 decimal places.