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a scuba diver is swimming 15 ft below water surface. the diver swims slowly at 0.5 ft per second for 4 seconds; and then stops to look at an eel. Finally the diver swims up 3 more seconds at 0 .4...

I need help writing an equation for this problem. You spend $30.40 on 4 CDs. Each CD costs the same amount and is on sale for 80% of the original price. a. Write and solve an equation...

Imagine the hydrogen atoms in one of Hubble's distant stars emitting a photon of light at a wavelength of 410.17 nm. If that particular photon were headed directly TOWARD Earth, how much CLOSER to...

Imagine the hydrogen atoms in one of Hubble's distant stars emitting a photon of light at a wavelength of 410.17 nm. If that particular photon were headed directly TOWARD Earth, how much CLOSER to...

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