In the formula used to solve problems related to the first law of thermodynamics, what does Q represent? A.internal energy
2 answers:
Answer:
B.heat
Explanation:
As we know by First law of thermodynamics
as we know that
Q = heat or thermal energy supplied to the system
= change in internal energy of the system
W = work done by the system
So first law of thermodynamics is basically energy conservation law in which energy supplied to the system is converted into its internal energy and work done by the system.
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Answer:
False
Explanation:
Faraday's law gives the relationship between the induced emf and the rate of change of magnetic flux i.e.
The given statement "A large magnetic flux change through a coil must induce a greater emf in the coil than a small flux change" is false. The reason is that if the rate of change of magnetic flux is greater, then its will induce more emf. It would mean it does not say about emf.
Hence, it is false.
Answer:C) car X
Explanation:
Given
All the cars have identical Engine thus Force Produced by car X will be equal to Y and Z
and
Since Car X is most massive so acceleration associated with it will be minimum
acceleration of car X is minimum thus it will travel farthest