01/14/21

Ball A (1.55 kg) moving right at 8.76 m/s makes a head-on collision with ball B (0.752 kg) moving left at 11.4 m/s. After, ball B moves right at 9.03 m/s. What is the final velocity of ball A?
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01/14/21

A gas station uses the formula p(x) = 0.46 + 0.9x, where...
A gas station uses the formula p(x) = 0.46 + 0.9x, where x represents the wholesale price of the gas, to figure out how much to charge per gallon. What was the wholesale price if they are charging... more
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01/13/21

Find the frequency (ν); the wavelength (λ); and the energy (E) of the FM-99 radio station 99 MHz.
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01/12/21

I'm new to chemistry and I need help with this
A chemist starts with a 50.0 mL sample of 0.265 M propanoic acid, HC3H5O2, then adds 0.496 g of sodium propanoate, NaC3H5O2.1.Explain how this creates an effective buffer.2.Propanoic acid has an... more
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