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Vilka [71]
3 years ago
10

The de broglie wavelength of a ________ will have the shortest wavelength when traveling at 30 cm/s.

Physics
2 answers:
krok68 [10]3 years ago
6 0

Answer:

the greatest mass

Explanation:

Airida [17]3 years ago
5 0

Answer: H/MV

Explanation:

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A force of 10 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work W is done in stretching i
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Answer:

114.44 J

Explanation:

From Hook's Law,

F = ke................. Equation 1

Where F = Force required to stretch the spring, k = spring constant, e = extension.

make k the subject of the equation

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Substitute into equation 2

k = 44.5/1.016

k = 43.799 N/m

Work done in stretching the 9 in beyond its natural length

W = 1/2ke²................. Equation 3

Given: e = 9 in = (9×0.254) = 2.286 m, k = 43.799 N/m

Substitute into equation 3

W = 1/2×43.799×2.286²

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Answer:

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