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NikAS [45]
3 years ago
9

The scientific method is the way scientists solve problems. Scientists begin to solve a problem by making _____.

Chemistry
1 answer:
swat323 years ago
5 0

Answer:

Explanation: observations

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A van moves with a constant speed
Kitty [74]

Answer:

1.5 hours or 90 minutes

Explanation:

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3 years ago
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3 years ago
Estimate your de Broglie wavelength when you are running. (For this problem use h = 10^−34 in SI units and 1 lb is equivalent to
AlekseyPX

Answer:

A. your running speed 1.5 m/s

B. your mass 70 kg

C. your de Broglie wavelength 6.32x10^{-36}m

Explanation:

Hello there!

In this case, since the equation for the calculation of the Broglie wavelength is:

\lambda =\frac{h}{m*v}

We can assume a running speed of about 1.5 m/s and a mass of 70 kg, so the resulting Broglie wavelength is:

\lambda =\frac{6.626x10^{-34}kg\frac{m}{s} }{70kg*1.5\frac{m}{s} }\\\\\lambda =6.32x10^-36m

Best regards!

7 0
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