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STALIN [3.7K]
1 year ago
15

Which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?

Physics
1 answer:
podryga [215]1 year ago
4 0

Answer:75 kg

Explanation:

I took the test edge

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A pulley is most closely related to which simple machine?
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Please help me fill out the chart.??
LekaFEV [45]

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5 0
3 years ago
The maximum wavelength that an electromagnetic wave can have and still eject electrons from a metal surface is 459 nm. What is t
spin [16.1K]

Answer:

2.7067 eV

Explanation:

h = Planck's constant = 6.626\times 10^{-34}\ m^2kg/s

c = Speed of light = 3\times 10^8\ m/s

\lambda_0 = Threshold wavelength = 459 nm

Work function is given by

W_0=\frac{hc}{\lambda_0}\\\Rightarrow W_0=\frac{6.626\times 10^{-34}\times 3\times 10^8}{459\times 10^{-9}}\\\Rightarrow W_0=4.33072\times 10^{-19}\ J

Converting to eV

1\ J=\frac{1}{1.6\times 10^{-19}}\ eV

4.33072\times 10^{-19}\ J=4.33072\times 10^{-19}\times \frac{1}{1.6\times 10^{-19}}\ eV=2.7067\ eV

The work function W0 of this metal is 2.7067 eV

4 0
3 years ago
What is the difference between the law of conservation of energy and conserving energy
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6 0
2 years ago
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