The four tires of an automobile are inflated to a gauge pressure of 2.0 × 10^5 N/m2 (29 PSI). Each of the four tires has an area of 0.024 m2 that is in contact with the ground. Determine the weight of the auto
19 200 N
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Arrange the following distances in order from smallest to largest. I. kilometer II. light-year III. yard IV. Astronomical unit
a. I, II, III, IV b. IV, III, II, I c. III, I, IV, II d. II, I, IV, III e. III, I, II, IV
The Hubble Telescope gets much clearer images of astronomical objects than ground-based telescopes because it has a much larger mirror than ground-based telescopes.
Answer the following statement true (T) or false (F)
____________________ is a measure of the light energy that hits one square meter in one second
Fill in the blank(s) with correct word
In a false color image,
A. colors can represent photon energies or the intensity of electromagnetic radiation. B. only one color is used. C. stars appear black and the background appears white. D. color information from optical telescopes is combined with information from a non-visible wavelength telescope to make the image.