The standard exam page is 8.50 inches by 11.0 inches. Its area in cm2 is
a. 19.5
b. 36.8
c. 93.5
d. 237.
e. 603.
e
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The captain of spaceship A observes enemy spaceship E escaping with a relative velocity of 0.48c, as shown in the figure. A missile M is fired from ship A, with a velocity of 0.72c relative to ship A
What is the relative velocity of approach of missile M, observed by the crew on ship E? A) 0.37c B) 0.24c C) 0.34c D) 0.30c E) 0.27c
Which is more massive?
A. Earth (a solid object) B. the Sun (a gaseous giant)
Casually sneaking a quick peek at a photo in your mobile phone
A) adds energy to the photo. B) subtracts energy from the photo. C) brings you into an observer-observed relationship that intrigues some science types. D) changes the phone itself E) none of the above
A boat that contains a heavy anchor floats in a small lake. If the anchor is thrown overboard such that it rests upon the lake bottom, which of the following will happen?
(i) The level of the water in the lake will go down slightly. (ii) The level of the water in the lake will go up slightly. (iii) The level of the water in the lake will stay exactly the same. (iv) The waterline on the boat will go up (that is, the boat will sink slightly). (v) The waterline on the boat will go down (that is, the boat will rise slightly). (vi) The water line on the boat will stay the same.
1.(i) and (v) 2.(ii) and (iv) 3.(iii) and (vi) 4.(iii) and (v)