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Author Question: The image of a convex mirror is always a. virtual, inverted, and larger. b. virtual, upright, and ... (Read 69 times)

a0266361136

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on: Jul 28, 2018
The image of a convex mirror is always
 a. virtual, inverted, and larger.
  b. virtual, upright, and smaller.
  c. real, upright, and smaller.
  d. real, inverted, and larger.

Question 2

A spaceship from another galaxy passes over the solar system directly above a radial line from the sun to the Earth. (We measure that distance to be 1.5  1011 m.) On Earth, the spaceship is observed to be traveling at a speed of 0.80 c, for which  = 5/3 . As measured on Earth it takes the spaceship 625 seconds to travel from the sun to Earth. When a scientist in the spaceship measures the Earth-sun distance and the time it takes her to travel that distance, she finds the results are respectively
 a. 9.0  1010 m; 375 s.
  b. 9.0  1010 m; 625 s.
  c. 1.5  1011 m; 625 s.
  d. 2.5  1011 m; 625 s.
  e. 2.5  1011 m; 1042 s.


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ricroger

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

a


a0266361136

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Reply 2 on: Jul 28, 2018
Gracias!

Dominic

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Reply 3 on: Yesterday
:D TYSM

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