A submarine must travel how fast (with respect to the water) and be pointed in what direction such that it moves 10 m/s directly northward (relative to the earth) if the water moves westward at 5.0 m/s?
What will be an ideal response?
11 m/s at 63° north of east
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Water is flowing through a pipe with a constriction. The diameter of the narrow section is one-half the diameter of the wide section. If the velocity of the incompressible fluid is 3.20 m/s in the wide section, then what is the velocity of the fluid in the narrow section?
A. 16.5 m/s B. 18.7 m/s C. 19.8 m/s D. 10.5 m/s E. 12.8 m/s
Contrast the space motion of neutron stars with normal stars. Explain
What will be an ideal response?
A car accelerates from 10.0 m/s to 30.0 m/s at a rate of 3.00 m/s2. How far does the car travel while accelerating?
A) 80.0 m B) 133 m C) 226 m D) 399 m
The principal culture that transferred Greek astronomical knowledge to Renaissance Europe was:
A) Byzantine. B) Chinese. C) Mongol. D) Islamic. E) Mayan.