Hooke's law relates
A. The spring force to the force used to compress the spring
B. Change of the length of the spring to gravity
C. Change of the length of the spring to the metal the spring is made of
D. The spring force to the change in the length of the spring
Ans: D. The spring force to the change in the length of the spring
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a. rock and ice b. ice and gas c. metal and ice d. high density metals e. low density gas
The resolving power of a telescope is
a. a measure of the minimum angular separation that can be seen with the telescope. b. a measure of the maximum angular separation that can be seen with the telescope. c. a measure of the amount of light that the telescope can gather in one second. d. the separation between the objective and the image. e. a measure of how blurry object appear in the telescope.
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A. blue B. yellow C. green D. red E. black
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A. 19 m/s B. 4.7 m/s C. 10 m/s D. 34 m/s E. 17 m/s