Your Precocious,22-Kg,six Year Old Sister Sits Asks You to Give

Your precocious,22-kg,six year old sister sits asks you to give her an amplitude of 32 degrees for her swing path.In order to do this precisely,you pull her back so that the angle with the vertical that the swing chains make is 32 degrees,and then you let go.As you held her at 32 degrees,what is the tension force in each of the two the swing chains?

A) 470 N
B) 250 N
C) 130 N
D) 340 N
E) 220 N

Correct Answer:

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