How many degrees as measured on the celestial sphere does the Moon cover as it moves during the course of one day?
5 degrees
36 degrees
13 degrees
25 degrees
13 degrees
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Which statement best explains why we are able to see details of a distant object more clearly?
A. the image formed by the telescope is larger than the object B. the image formed by the telescope subtends a larger angle at the eye than the object does C. the intermediate image formed by the objective lens is greatly magnified D. both the objective and eyepiece form real images
Which one of the following statements is true?
A. Temperatures differing by 25? on the Fahrenheit scale must differ by 45? on the Celsius scale B. 40 K corresponds to ?40? C C. Temperatures which differ by 10? on the Celsius scale must differ by 18? on the Fahrenheit scale D. Water at 90? C is warmer than water at 202? F E. 0? F corresponds to ?32? C
Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.The increase of potential energy of the box is 100 J
a. True b. False Indicate whether the statement is true or false
If the magnification of an image is -0.4, what can be said about the image?
A. Nothing. There is not enough information. B. The image is inverted and larger than the object. C. The image is inverted and smaller than the object D. The image is upright and smaller than the object.