You are measuring how velocity changes with time of two stars like the Sun in order to detect their planets
Both stars have a velocity curve with a periods of 2 years, but the maximum size (peak-to-peak amplitude) of the velocity curve of star A is 100 km/s, and for star B it is 200 km/s. What causes this difference? Assume the planets are named after their stars.
A) Planet A is farther from Star A than Planet B is from Star B.
B) Planet A is closer to Star A than Planet B is to Star B.
C) Planet A is more massive than Planet B.
D) Planet A is less massive than Planet B.
E) Not possible to say, since you're measuring the velocity curve of the stars, not the planets.
D
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If a material is strain-rate sensitive, when the strain rate increases, the applied _________must increase drastically.
Fill in the blank(s) with the appropriate word(s).
Two identical arrows, one with twice the speed of the other, are fired into a bale of hay. Compared with penetration of the slow arrow, the faster arrow penetrates
A) the same distance. B) two times as far. C) four times as far. D) more than four times as far. E) none of the above
A rectangular garden measures 15 m long and 13.70 m wide. What is the length of a diagonal from one corner of the garden to the other?
A) 18 m B) 19 m C) 20 m D) 4.1 × 102 m
The figure shows a distance vs. time graph of an object with three distinct regions, I, II, and III
?
The object’s acceleration is zero in region(s)
a.
I.
b.
II.
c.
III.
d.
no regions