When should we next expect to observe a transit of the Sun by Mars?
A) Never
B) 2035
C) 2030
D) 2148
A) Never
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At approximately what time would a full moon be on your meridian?
A) 6 A.M. B) 9 A.M. C) noon D) 6 P.M. E) midnight
If you view a hot star through a cool cloud of gas, what sort of spectrum will you see?
A) water B) continuous C) absorption D) emission E) No spectrum is visible.
An ice cube of mass 100 g and at 0°C is dropped into a Styrofoam cup containing 200 g of water at 25°C. (The latent heat of fusion of water is 80 cal/g and the specific heat capacity of water is 1.0 cal/g C°.) Assuming the cup does not exchange any heat with the outside, what will happen?
A. All of the ice will melt B. Nothing will happen C. All of the water will freeze D. Some of the ice will melt E. Some of the water will freeze
A disk (radius = 8.0 cm) that rotates about a fixed axis starts from rest and accelerates at a constant rate to an angular velocity of 4.0 rad/s in 2.0 s. What is the magnitude of the total linear acceleration of a point on the rim of the disk at the instant when the angular velocity of the disk is 1.5 rad/s?
a. 24 cm/s2 b. 16 cm/s2 c. 18 cm/s2 d. 34 cm/s2 e. 44 cm/s2