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Author Question: An upright object is 50 cm from a concave mirror of radius 60 cm. The character of the image is ... (Read 67 times)

londonang

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on: Jul 29, 2018
An upright object is 50 cm from a concave mirror of radius 60 cm. The character of the image is
 
  A) real and upright.
  B) real and inverted.
  C) virtual and upright.
  D) virtual and inverted.

Question 2

Two satellites with equal rest masses of 100 kg are traveling toward each other in deep space. They have identical speeds of 0.600c.
 
  The satellites collide and somehow manage to stick together. What is the rest mass of the combined object after the collision?
  A) 200 kg
  B) 225 kg
  C) 250 kg
  D) 275 kg
  E) 300 kg


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coreycathey

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


londonang

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Reply #2 on: Jul 29, 2018
TY


coreycathey

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Reply #3 on: Jul 29, 2018
You're welcome


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