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Debora [2.8K]
3 years ago
11

A triangular-shaped, transparent solid is known as a ______ A. Cylinder B. Prism

Chemistry
2 answers:
Assoli18 [71]3 years ago
8 0
prism because a prism and triangle are similar
STatiana [176]3 years ago
6 0
B.Prism because it’s triangular and a cylinder is circular
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What is the de Broglie wavelength (in meters) of a 45-g golf ball traveling at 72 m/s?
Cerrena [4.2K]

Answer: The de broglie wavelength is 2.037 \times 10^{-34} m.

Explanation:

Calculate  \lambda = \frac{h}{p}as follows.

          \lambda = \frac{h}{p}

where,

          h = plank's constant = 6.6 \times 10^{-34} m^{2} kg/s

         p = momentum = mass \times velocity

Putting the values in the formula as follows.

        \lambda = \frac{h}{mass \times velocity}

                               =  \frac {6.6 \times 10^{-34} m^{2} kg/s}{0.045 kg \times 72 m/s}                        

                               =  2.037 \times 10^{-34} m

Thus, the de broglie wavelength is 2.037 \times 10^{-34} m.

                               

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You can also use this predetermined formula to solve this problem faster: k= \frac{M^{1-n} }{s }

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k= \frac{M^{1-n} }{s }

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