A rubbed balloon will stick to a wooden wall, which demonstrates charge
a. transfer.
b. potential.
c. conservation.
d. polarization.
Ans: d. polarization.
You might also like to view...
An aluminum bar (E 5 70 GPa, ? 5 0.33) of diameter 20 mm is stretched by axial forces P, causing its diameter to decrease by 0.022 mm. The load P is approximately:
(A) 73 kN
(B) 100 kN
(C) 140 kN
(D) 339 kN
Which of the following was NOT a contribution of Galileo to astronomy?
A) Sunspots showed the Sun was rotating on its axis, like the Earth does. B) The four moons of Jupiter are a model for the solar system motions in general. C) The phases of Venus prove it orbits completely around the Sun. D) The changing appearance of Saturn's rings corresponds to our seasons. E) The craters and mountains of the Moon prove it a world in its own right.
Common erosional shoreline features include sea stacks,
A) beaches, and barrier islands. B) wave-cut platforms, sea caves, and sea arches. C) sea caves, sea arches, and atolls. D) wave-cut platforms, sea caves, and sea spits.
If a star's pressure increases in its interior to push the star outward, its temperature will drop, causing the star to contract and eventually return to equilibrium
a. True b. False Indicate whether the statement is true or false