Answer:
uh finish the question please lol.
The correct answer would be 1.375 < t < 3 i hope this helps anyone
T = 2 * pie √(L/g)
so, if length is increased by 9
then time period is increased by √9 = 3
hope it helped :)
This interaction is known as <em>constructive interference</em>. It's a result of linear superposition.
The third option seems correct. Using any bag more than once will help in decreasing the carbon foot print.
This isds beause, if you use paper bag once only, then paper bag is being utilised and more and more paper is being used. So the best way is to use the bag more than once, whichever bag u are using.