Jessica is running a 10K. She alternates between running and walking each kilometer. She runs at a rate of 1 kilometer every 5 m
2 answers:
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Answer:
The value is
Explanation:
From the question we are told that
The work input is
The heat delivered is
The value of A is A = 14
The value of B is B = 72
Generally the efficiency of the heat engine is mathematically represented as
Here is the total out energy produce by the heat engine and this is mathematically represented as
=>
=>
So
=>
=>
=>
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Answer:
7918 J
Explanation:
We are assuming that the floor (field) is completely horizontal since there's no information about that in the statement.
We are going to use the following formula:
Where:
º
Then, by substituting we have:
Answer:
7918 J
Explanation:
We are assuming that the floor (field) is completely horizontal since there's no information about that in the statement.
We are going to use the following formula:
Where:
Then, by substituting we have: