Escaped slaves were told to follow this asterism
Answer: Big Dipper
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A 10.0 kg block on a smooth horizontal surface is acted upon by two forces: a horizontal force of 70 N acting to the left and a horizontal force of 30 N to the right. The acceleration of the block will be
A. 10.0 m/s2 to the left. B. 2.3 m/s2 to the right. C. 4.0 m/s2 to the left. D. 4.0 m/s2 to the right.
In Ptolemy's geocentric model, the normal eastward motion of the planets was along
A) a retrograde loop. B) a deferent. C) the equant. D) an epicycle. E) an ellipse.
The ________-type seismic waves can travel through liquids and solids. The ________-type seismic waves can travel through solids only.
A. P; S B. S; S C. S; P D. P; P
A solid conducting sphere of 10-cm radius has a net charge of 18 nC. If the potential at infinity is taken as zero, what is the potential at the center of the sphere?
a. 2.1 ?V b. 16 ?V c. 1.6 × 10^3 V d. >1.6 × 10^4 V e. 13 ?V