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What is a power rating? a. The rate at which a machine can do work upon other objects. c. It is a measure of the kinetic energy of the machine. b. The rate at which objects can do work on the machine. d. None of the above.
A power rating is the rate at which a machine can do work upon other objects.
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Asked 4/10/2014 12:46:22 AM
Updated 4/10/2014 6:10:10 AM
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A power rating is the rate at which a machine can do work upon other objects.
Added 4/10/2014 6:10:10 AM
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A worker does 25 J of work lifting a bucket, then sets the bucket back down in the same place. What is the total net work done on the bucket? a. –25 J c. 25 J b. 0 J d. 50 J
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Updated 4/10/2014 6:04:56 AM
1 Answer/Comment
A worker does 25 J of work lifting a bucket, then sets the bucket back down in the same place. 0 J is the total net work done on the bucket.
Added 4/10/2014 6:04:56 AM
This answer has been confirmed as correct and helpful.
A jogger with a mass of 66.0 kg reaches the top of a staircase in 44.0 s. If the distance from the bottom to the top of the staircase is 14.0 m, how much power will the jogger create in climbing the stairs? a. 111 W c. 86 W b. 206 W d. 15 W
Weegy: a. 111 (More)
Question
Updated 4/10/2014 6:26:03 AM
1 Answer/Comment
206 W power will the jogger create in climbing the stairs.
P = F * d/t = mg * d/t
P = 66*9.8 * 14/44 Joules/s.
P= 206 W.
Added 4/10/2014 6:26:03 AM
This answer has been confirmed as correct and helpful.
Which practice is sometimes characterized by extreme nationalism? spiritualism communism fascism liberalism
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Updated 4/9/2014 10:45:32 PM
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Practice sometimes referred to as extreme nationalism is fascism.
Added 4/9/2014 10:45:32 PM
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Confirmed by jeifunk [4/9/2014 10:54:32 PM]
Which of the following nations was an Asian ally of Nazi Germany?
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Updated 4/9/2014 11:10:38 PM
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JAPAN was an Asian ally of Nazi Germany.
Added 4/9/2014 11:10:38 PM
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Winston Churchill’s reaction to the 1938 Munich Agreement was
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Updated 4/10/2014 6:33:47 AM
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Winston Churchill’s reaction to the 1938 Munich Agreement was he was appalled by the policy of appeasement at Munich.
Added 4/10/2014 6:33:47 AM
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