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Author Question: A ball rolls off the edge of a table with an initial velocity of 20 m/s. The height of the table ... (Read 236 times)

Pineapplelove6

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on: Jul 29, 2018
A ball rolls off the edge of a table with an initial velocity of 20 m/s. The height of the table above the ground is 2.0 m. How long does it take the ball to reach the ground?
 
  A) 0.49 s
  B) 0.98 s
  C) 0.64 s
  D) 2.0 s
  E) 0.32 s

Question 2

A vertically polarized beam of light of intensity 100 W/m2 passes through a polarizer with its transmission axis at 40.0 to the vertical. What is the transmitted intensity of this beam of light?
 
  A) 100 W/m2
  B) 0 W/m2
  C) 25.0 W/m2
  D) 44.4 W/m2
  E) 58.7 W/m2


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mceravolo

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

C

Answer to Question 2

E


Pineapplelove6

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Reply 2 on: Jul 29, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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