Suppose you built a scale-model atom in which the nucleus is the size of a tennis ball. About how far would the cloud of electrons extend
A) several kilometers
B) a few meters
C) several centimeters
D) to the Sun
A) several kilometers
B) a few meters
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A car starting from rest travels a distance of 20.0 m with a constant acceleration of 2.0 
The car then slows to a stop in 10.0 seconds with a constant negative acceleration. The distance traveled by the car is
A. 36 m. B. 46 m. C. 50 m. D. 58 m. E. 65 m.
Colors seen in the flames of a burning log originate with the variety of
A) multi-layered incandescent surfaces. B) electron transitions in various atoms. C) temperatures. D) absorbing gases between the log and the viewer.
How much work is needed to carry an electron from the positive terminal to the negative terminal of a 9.0-V battery. (e = 1.60 × 10-19 C , melectron = 9.11 × 10-31 kg)
A) 1.6 × 10-19 J B) 17 × 10-19 J C) 14.4 × 10-19 J/C D) 9.0 J E) 14.4 × 10-19 J
How a ship floats is described in terms of
A) Bernoulli's principle. B) Pascal's principle. C) Archimedes' principle. D) Poiseuille's equation. E) Torricelli's equation.