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Author Question: In the vicinity of what frequency does an object with a temperature of 1000 K radiate the largest ... (Read 91 times)

SO00

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on: Jul 29, 2018
In the vicinity of what frequency does an object with a temperature of 1000 K radiate the largest amount of power?
 
  (c = 3.00  108 m/s, Wien displacement law constant equals 2.90  10-3 m  K,  = 5.670  10-8 W/m2  K4)
  A) 8.0  1014 Hz
  B) 6.7  1014 Hz
  C) 2.3  1014 Hz
  D) 1.0  1014 Hz
  E) 4.1  1014 Hz

Question 2

Enzo throws a rock horizontally with a speed of 12 m/s from a bridge. It falls for 2.28 s before reaching the water below with no appreciable air resistance. Just as the rock reaches the water, find (a) the horizontal component of its velocity.
 
  (b) the speed with which it is moving.


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jessicaduplan

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

D

Answer to Question 2

(a) 12 m/s (b) 25 m/s


SO00

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

ttt030911

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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