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Author Question: An object is placed between C and F in front of a concave mirror with a focal length of 10 cm. What ... (Read 54 times)

mckennatimberlake

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on: Jul 29, 2018
An object is placed between C and F in front of a concave mirror with a focal length of 10 cm. What is the position of its image in relation to the mirror and what are its characteristics?
 
  A) = 10 cm, real, smaller than object
  B) = 10 cm, virtual, smaller than object
  C) > 20 cm, real, larger than object
  D) = 20 cm, real, same size as the object
  E) = 20 cm, virtual, same size as the object

Question 2

For general projectile motion, when the projectile is at the highest point of its trajectory
 
  A) its acceleration is zero.
  B) its velocity is perpendicular to the acceleration.
  C) its velocity and acceleration are both zero.
  D) the horizontal component of its velocity is zero.
  E) the horizontal and vertical components of its velocity are zero.


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rleezy04

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

C

Answer to Question 2

B


mckennatimberlake

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

nyrave

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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