When a star of mass comparable to the Sun dies it become a black hole
a. True
b. False
Indicate whether the statement is true or false
False
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A 3.0 cm tall statue is 24. cm in front of a concave mirror. The mirror radius of curvature is 20. cm. (a) Is the image real or virtual? (b) How far is the image from the mirror? (c) Is the image upright or inverted? (d) How high is the image?
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An object of mass 0.50 kg is transported to the surface of Planet X where the object's weight is measured to be 10 N. The radius of the planet is 4.0 × 10^6 m. What free fall acceleration will the 0.50 kg object experience when at the surface of Planet X?
a. 48 m/s2 c. 16 m/s2 b. 20 m/s2 d. 40 m/s2
Discuss the seasons of Uranus
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