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Author Question: A 1500-kg car accelerates from rest to 25 m/s in 7.0 s. What is the average power delivered by the ... (Read 64 times)

saraeharris

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A 1500-kg car accelerates from rest to 25 m/s in 7.0 s. What is the average power delivered by the engine? (1 hp = 746 W)
 
  A) 60 hp
  B) 70 hp
  C) 80 hp
  D) 90 hp

Question 2

What is the frequency of the light emitted by atomic hydrogen with m = 8 and n = 12? (The Rydberg constant is R = 1.097  107 m-1, c = 3.00  108 m/s)
 
  A) 2.86  1013 Hz
  B) 1.43  1013 Hz
  C) 7.46  1013 Hz
  D) 8.82  1013 Hz
  E) 1.05  1013 Hz


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Athena23

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saraeharris

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Reply 2 on: Jul 29, 2018
Gracias!


shailee

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Reply 3 on: Yesterday
Wow, this really help

 

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