Answers

2016-03-16T19:41:20+05:30
F =40/4= 10 hz

T=1/f = 1 /10= 0.1 seconds
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The Brainliest Answer!
2016-03-16T19:42:39+05:30
Frequency=40/4
                =10

Time period=1/frequency=1/10 sec

hope it helped you


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