A neutron star must have a mass greater than 2.4 solar masses
a. True
b. False
Indicate whether the statement is true or false
False
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An electron has the same de Broglie wavelength as a 390 nm photon. The speed of the electron is closest to:
A) 1,900 m/s B) 2,100 m/s C) 1,700m/s D) 1,500 m/s E) 540 m/s
Saturn has several enduring major storm systems similar to Jupiter's Great Red Spot
Indicate whether the statement is true or false
The distance between two successive ‘like' points on a wave is the wave's wavelength
a. True b. False Indicate whether the statement is true or false
A solid uniform ball with a mass of 125 g is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s when it rolls off the edge and falls towards the floor, 1.1 m below
What is the rotational kinetic energy of the ball just before it hits the floor? A) 0.51 J B) 0.73 J C) 1.1 J D) 2.6 J E) This question cannot be answered without knowing the radius of the ball.