An object is moving with constant non-zero velocity in the +x direction. The position versus time graph of this object is
A) a horizontal straight line.
B) a vertical straight line.
C) a straight line making an angle with the time axis.
D) a parabolic curve.
C
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Halley's comet has an orbital period of 76 years, what is the average distance of Comet Halley from the Sun?
a. 51 AU b. 18 AU c. 114 AU d. 660 AU e. 38 AU
The most distant stars we can currently measure stellar parallax for are approximately
A) in the Andromeda Galaxy. B) 1,000 parsecs away. C) 5 parsecs away. D) 10,000 parsecs away. E) halfway across the Milky Way Galaxy.
You push downward on a trunk at an angle 25° below the horizontal with a force of If the trunk is on a flat surface and the coefficient of static friction between the surface and the trunk is 0.61,
what is the most massive trunk you will be able to move? A) 81 kg B) 93 kg C) 73 kg D) 112 kg
A car accelerates from to at a constant rate of How far does it travel while accelerating?
A) 69 m B) 207 m C) 41 m D) 117 m