The following objects are found in a spiral arm of a galaxy. Which is the exception?
a. population II stars
b. OB associations
c. emission nebulae
d. population I stars
e. clouds of gas and dust
a
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If a net force accelerates a 4.5-kg tool at 40 m/s2, what acceleration would that same net force give to an 18-kg tool?
A) 180 m/s2 B) 10 m/s2 C) 160 m/s2 D) 9.8 m/s2 E) 32 m/s2
If the distance between two negative point charges is increased by a factor of three, the resultant potential energy is what factor times the initial potential energy?
a. 3 b. 9 c. 1/3 d. 1/9
Uranus rotates _______________ degrees from the _______________ to its orbit
Fill in the blank(s) with correct word
A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts.The resistance of the light bulb is __________
Fill in the blank(s) with correct word