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Author Question: If you run a 3000-watt hair dryer for 30 minutes, how much electric energy do you consume? A) 100 ... (Read 157 times)

LCritchfi

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If you run a 3000-watt hair dryer for 30 minutes, how much electric energy do you consume?
 
  A) 100 kW  h
  B) 6 kW  h
  C) 1.5 kW  h
  D) 90,000 kW  h
  E) None of the above.

Question 2

A 60-kg skier pushes off the top of a frictionless hill with an initial speed of 4.0 m/s. How fast will she be moving after dropping 10 m in elevation? Air resistance is negligible.
 
  A) 10 m/s B) 15 m/s C) 0.15 km/s D) 0.20 km/s E) 49 m/s


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yasmina

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LCritchfi

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


meow1234

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

 

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