Our solar system consists of
A) the Sun and all the objects that orbit it.
B) the Sun and the planets, and nothing else.
C) a few hundred billion stars, bound together by gravity.
D) the Sun and several nearby stars, as well as the planets and other objects that orbit these stars.
A) the Sun and all the objects that orbit it.
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Projectile Motion: A ball rolls over the edge of a platform with a horizontal velocity of magnitude v. The height of the platform is 1.6 m and the horizontal range of the ball from the base of the platform is 20 m. What is the magnitude of v if air resistance is negligibly small?
Fill in the blank(s) with the appropriate word(s).
The field near a long straight wire carrying a current is inversely proportional to the current flowing through the wire
Indicate whether the statement is true or false
The type of heat transfer that occurs between a stove and a pot placed on it is
A) convective. B) conductive. C) radiative. D) countercurrent. E) evaporation.
A greater gravitational field causes time to
A) speed up. B) slow down. C) fluctuate. D) Gravity has no measurable effect on time.