A concave mirror has radius R. When an object is located a distance 2R from the lens, which describes the image formed?

a. real, inverted, diminished
b. real, inverted, enlarged
c. virtual, upright, diminished
d. real, inverted, of equal size


a

Physics & Space Science

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Distant bright snowy mountains appear yellowish because

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How do we learn about the conditions at the center of our own galaxy, the Milky Way?

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A 1-kg ball is released from a height of 6 m, and a 2-kg ball is released from a height of 3 m. Air resistance is negligible as they fall. Which of the following statements about these balls are correct? (There could be more than one correct choice

) A) As they reach the ground, the 1-kg ball will have more kinetic energy than the 2-kg ball because it was dropped from a greater height. B) As they reach the ground, the 1-kg ball will be moving faster than the 2-kg ball. C) Both balls will reach the ground with the same speed. D) Both balls will reach the ground with the same kinetic energy. E) Both balls will take the same time to reach the ground.

Physics & Space Science

Carbonic acid is the main agent of ______________ weathering

Fill in the blank(s) with correct word

Physics & Space Science