Matter Waves: What would be the de Broglie wavelength for 1-g object moving at the earth's escape speed 25,000 mph (about 11 km/s)? (h = 6.626 × 10-34 J ? s)
Fill in the blank(s) with the appropriate word(s).
6 × 10-35 m
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Euler’s equation integrated along a streamline results in Bernoulli’s equation provided the flow is:
(A) Incompressible, inviscid, steady, in an inertial reference frame (B) Constant density, steady, along a streamline, in an inertial reference frame (C) Incompressible, steady, along a streamline, in an inertial reference frame (D) Constant density, steady, along a streamline, inviscid, in an inertial reference frame
The energy level diagram for hydrogen
The ionization energy of hydrogen is 13.6 eV.
a.
True
b.
False
Estimate the torque needed to rotate the inner cylinder at 1000 rpm if SAE-30 oil at 40°C fills the gap. Assume a linear velocity distribution in the gap. Neglect end effects.
(A) 16.0 N·m
(B) 16.9 N·m
(C) 18.8 N·m
(D) 20.2 N·m
The first laboratory discovery of nuclear fission occurred
A) in Marie Curie's lab in the early 1900s. B) in London in 1930. C) in Germany in 1938. D) in New Mexico in 1944 E) in the United States in 1940.