Which one of the following objects is most like the planetesimals that formed in the solar nebula?
a. asteroids
b. Earth
c. Saturn
d. Venus
e. the Sun
a
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A 10-kg dog is runnng with a speed of 5.0 m/s. What is the minimum work required to stop the dog in 2.40 s?
A) 125 J B) 50 J C) 75 J D) 100 J
The deviation from the way a compass needle points from the true north direction is the magnetic declination
a. True b. False Indicate whether the statement is true or false
From hottest to coolest, the order of the spectral types of stars is
A) OBAFGKM. B) OBAGFKM. C) ABFGKMO. D) OMKGFBA. E) ABCDEFG.
A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 
of water and the surface area of the bottom of the container is 5.00 
The height of the lower part of the container is 2.50 m and the neck contains a column of water 8.50 m high. The total volume of the column of water in the neck is 0.200 
What is the magnitude of the force exerted by the water on the bottom of the container?
A. 
B. 
C. 
D. 