An electron determined to be at y = 2.000 ± 0.0010 cm has what minimum uncertainty in velocity?
What will be an ideal response?
5.8 m/s
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A Type II supernova produces a planetary nebula
Indicate whether the statement is true or false
Halley's comet has an elliptical orbit around the Sun with a period of 76.0 years. At its closest approach (perihelion) it is 88.6 x 1010 m from the Sun and has a speed of 54.8 km/s
How far is it from the Sun at its furthest point (aphelion)? The mass of the Sun is 2.00 × 1030 kg and G = 6.67 x 10-11 N•m2/kg2. A) 12.8 × 1012 m B) 32.3 × 1012 m C) 5.42 × 1012 m D) 31.4 × 1012 m E) 52..3 × 1012 m
If light from a 560 nm monochromatic source in air is incident upon the surface of fused quartz (n = 1.56) at an angle of 70°, what is the wavelength of the ray refracted within the quartz?
a. 560 nm c. 192 nm b. 874 nm d. 359 nm
A 6.0-kg object moving 2.0 m/s in the positive x direction has a one-dimensional elastic collision with a 4.0-kg object moving 3.0 m/s in the opposite direction. What is the total kinetic energy of the two-mass system after the collision?
a. 30 J b. 62 J c. 20 J d. 44 J e. 24 J