Most of the light that makes the hazy band of the "milky way" visible in the night sky comes from reflection and emission nebulae

a. True
b. False
Indicate whether the statement is true or false


False

Physics & Space Science

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This diagram represents the carbon dioxide cycle. Which position in the diagram represents the part of the cycle in which carbon dioxide is turned into carbonate minerals and rock?

A) Position 1 B) Position 2 C) Position 3 D) Position 4

Physics & Space Science

What is the magnetic moment of a rectangular loop of 120 turns that carries 6.0 A if its dimensions are 40. mm × 8.0 cm?

What will be an ideal response?

Physics & Space Science

A capacitor consists of a set of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference between the plates

If the separation between the plates is doubled, the magnitude of the charge on the plates will A) double. B) quadruple. C) be cut in half. D) be cut in fourth. E) not change.

Physics & Space Science

A softball player determines her pitching speed by throwing a ball horizontally from an elevation of 20 m above the ground. The ball lands 50 m downrange. What is her pitching speed?

A) 5 m/s B) 10 m/s C) 20 m/s D) 25 m/s E) none of the above

Physics & Space Science