The diagram shows a plot of the temperature of the sun as a function of distance above the bottom of the photosphere. What is the temperature of the sun at a distance of 2,000 km?
a. 500 K
b. 900 K
c. 5,000 K
d. 9,000 K
e. 100,000 K
D
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Consider a mass initially moving at 7.50 m/s. (a) How long does it take to move 3.5 km if it accelerates at 0.550 m/s2? (b) How fast is it moving after this acceleration?
What will be an ideal response?
In a 35.0-mm single lens reflex camera (SLR), the distance from the lens to the film is varied in order to focus on objects at varying distances
Over what distance range must a lens of 55-mm focal length vary if the camera is to be able to focus on objects ranging in distance from infinity down to 0.60 m from the camera? A) 5.55 mm B) 4.44 mm C) 16.7 mm D) 22.2 mm E) 7.77 mm
A charged particle of mass 0.0020 kg is subjected to a 6.0 T magnetic field which acts at a right angle to its motion. If the particle moves in a circle of radius 0.20 mat a speed of 5.0 m/s, what is the magnitude of the charge on the particle?
A) 0.0083 C B) 120 C C) 0.00040 C D) 2500 C
A meteoroid, meteor, and meteorite could come from the same celestial body
a. True b. False Indicate whether the statement is true or false