Which planet is able to retain the largest (by radius and by volume)atmosphere?
a) Mars
b) Jupiter
c) Earth
d) Venus
e) Mercury
Answer: b) Jupiter
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The last page of a book is numbered 814 and the book is 3.00 cm thick. What is the average thickness of each page?
a. 
b. 
c. 
d. 
A block is on a frictionless table, on earth. The block accelerates at 5.3 m/ when a horizontal force is applied to it. The block and table are set up on the Moon where the acceleration due to gravity is 1.62 m/
A horizontal force of 5 N is now applied to the block when it is on the Moon. The acceleration imparted to the block by this force is closest to A) 2.7 m/ . B) 2.4 m/ . C) 2.9 m/ . D) 3.2 m/ . E) 3.4 m/ .
An eyeglass lens is cut with one surface having a radius R1 and the other surface having a radius R2, with R1 < R2 . Both positive radii are measured from the same side with R2 being the side closer to the eye. Is this convex-concave lens a converging lens or a diverging lens?
a. This is neither, since a lens cannot be made this way. b. This is a diverging lens. c. This can be either a converging or diverging lens, as more information is needed for a final determination. d. This is a converging lens.
Alice is floating freely in her spacecraft, and you are accelerating away from her with an acceleration of 1g. Suppose you claim that you are feeling the effects of a gravitational field. How can you explain the fact that Alice is weightless?
A) She is weightless because she is moving at constant velocity. B) She is weightless because she is in a not moving. C) She is weightless because she is in free-fall. D) If you are in a gravitational field, then she cannot be weightless.