Please tell me how to calculate the speed of this wave......
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SPEED =DISTANCE/TIME
=1.5/0.1+1.5/0.2+1.5/0.3/0.1+0.2+0.3
=15/10/1/10+15/10/2/10+15/10/3/10/0.1+0.2+0.3
=15/1+15/2+15/3/0.1+0.2+0.3
=15+7.5+5/0.1+0.2+0.3
=72.9
hope its helps you❤❤❤✨✨✨
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