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kicyunya [14]
3 years ago
9

Please help me asap thank you

Chemistry
1 answer:
solong [7]3 years ago
7 0

Answer:

<em><u>5.a</u></em>

<em><u>6</u></em><em><u>.</u></em><em><u>d</u></em>

<em><u>7.c</u></em>

Explanation:

<em><u>please</u></em><em><u> </u></em><em><u>click</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>heart</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>rate</u></em><em><u> </u></em><em><u>excellent</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>pa</u></em><em><u> </u></em><em><u>brainleist</u></em><em><u> </u></em><em><u>po</u></em><em><u> </u></em><em><u>please</u></em><em><u> </u></em><em><u>☻</u></em><em><u>❤</u></em><em><u>☺️</u></em><em><u>☺️</u></em><em><u>❤</u></em><em><u>☻</u></em>

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Calculate the wavelength of a football (425g) thrown by an NFL quarterback traveling at 50mph
AnnyKZ [126]

Wavelength is 6.976 x 10^ -35 m

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In this, we can use De Broglie’s equation. This equation is the relationship between De Broglie’s wavelength, velocity and the mass of a moving object. In this equation, we are using plank's constant which is 6.626 x 10^-34 m^2 kg/s.

We know that one mile per hour is equivalent to 0.447 M/S.

And One gram is equivalent to 10^-3 kg.

De Broglie’s wavelength = λ ( wave length) = Plank’s constant/ Mass x velocity

λ ( wave length) = 6.626 x 10^ -34/ (425 x10^-3) x ( 50 x 0.447)

                                 = 6.626 x 10^ -34/ 0. 425 x 22.35

                                 = 6.626 x 10^ -34/ 9.498

                                 = 6.976 x10^ -35 m

So, the wavelength of the football will be 6.976 x 10^ -35 m

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