It is the rotation of a space station that provides Earth-level gravity. The number N of rotations per minute needed to provide Earth-level gravity depends on the radius r, in meters, of the spinning space station. The relationship is
?
.
A. Make a graph of the number of rotations per minute versus the radius. Include radii from 10 to 100 meters.B. What happens to the required number of rotations as the radius increases?C. What number of rotations per minute is required if the radius is 26.00 meters? Report your answer correct to 2 decimal places.
What will be an ideal response?
A.
?
B. The required number of rotations decreases as the radius increases.
?
C. 5.86 revolutions per minute.
Mathematics
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Write the Babylonian numeral as a Hindu-Arabic numeral.
?
A. 70 B. 68 C. 24 D. 65
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(5
- 7)2
A. 76 - 70
B. 174 + 70
C. 118 - 70
D. 174 - 70
Mathematics
Solve the problem.For approximately what values of x can sin x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.54146 B. |x| < 0.40357 C. |x| < 0.45942 D. |x| < 0.59106
Mathematics
Solve the equation.
= x - 3
A. 1, 13 B. 1, 6 C. 6 D. 6, 13
Mathematics