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13.07.2020 21:34
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How does a spring pulse reflected from a rigid wall differ from the incident pulse?

How does a spring pulse reflected from a rigid wall differ from the incident pulse?
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jadensababe9151
jadensababe9151
4,6(89 marks)
Reflected pulse will be inverted, a crest will reflect as a trough. 63. Suppose you repeatedly dip your finger into a sink full of water to make circular waves.
tysisson9612
tysisson9612
4,6(57 marks)
There are 375 star stickers and 125 heart stickers.

There are 500 stickers with 20 stickers per sheet; 500/20 = 25 sheets of stickers.

25% of each sheet is hearts; 25/100(20) = 5 heart stickers per sheet.  5(25) = 125 total heart stickers.

20 stickers per sheet - 5 heart stickers per sheet = 15 star stickers per sheet.  15(25) = 375 total star stickers.

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