The curved, yellow ________ tail lags behind the blue tail as the comet rounds the Sun
Fill in the blank(s) with correct word
dust
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The diagram shows a planet at four positions in its orbit. At which position does it have the greatest gravitational potential energy?
A) 1 B) 2 C) 3 D) 4 E) The gravitational potential energy is the same at all four positions.
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Answer the following statement true (T) or false (F)
A long cylinder (radius = 3.0 cm) is filled with a nonconducting material which carries a uniform charge density of 1.3 ?C/m3. Determine the electric flux through a spherical surface (radius = 2.0 cm) which has a point on the axis of the cylinder as its center.
A. 5.7 N ? m2/C B. 4.9 N ? m2/C C. 6.4 N ? m2/C D. 7.2 N ? m2/C E. 15 N ? m2/C
A basketball player pushes down with a force of 50 N on a basketball that is inflated to a gauge pressure of 8.0 x 104 Pa. What is the diameter of contact between the ball and the floor?
A) 2.8 cm B) 1.4 cm C) 1.7 cm D) 2.1 cm E) 5.6 cm