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promcafee8788
09.09.2021 •
Chemistry
A block with the dimensions 4 cm by 3 by 8 cm is placed in a beaker that contains 100 ml of water, what will the new water level be?
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Ответ:
λ = h/mv
where
λ is the de Broglie wavelength
h is the Planck's constant equal to 6.63×10⁻³⁴ J·s
m is the mass
v is the velocity
Substituting the values (make sure to use SI units):
λ = (6.63×10⁻³⁴ J·s)/(9.11×10⁻²⁸ g * 1 kg/1000 g)(7.40×10⁶ m/s)
λ = 9.835×10⁻¹¹ m