Two friends are standing on opposite ends of a canoe. The canoe is initially at rest with respect to the lake. The person on the right throws a very massive ball to the left, and the person on the left catches it
After the ball is caught, the canoe is (ignore friction between the canoe and the water) A) stationary
B) moving to the right.
C) moving to the left.
A
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A) TCAGUC B) UCAGUC C) TCAGTC D) GACTGA
Series/Parallel Circuits: As more resistors are added in parallel across a constant voltage source, the power supplied by the source
A. increases. B. decreases. C. does not change. D. increases for a time and then starts to decrease.
Suppose we want a satellite to revolve around the earth 5 times a day. What should be the radius of its orbit? (The mass of the earth is 5.97 × 1024 kg, G = 6.67 × 10-11 N ? m2/kg2, and you can neglect the presence of the moon.)
A) 0.690 × 107 m B) 7.22 × 107 m C) 1.44 × 107 m D) 2.11 × 107 m
If the temperature and pressure of an ideal gas is tripled, what is the ratio of the new volume to initial volume?
A. 1 B. 9 C. 3 D. 0.33