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Ask QuestionPosted by Divya Tripathy 6 years, 11 months ago
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Posted by Devanshu Chauhan 6 years, 11 months ago
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Yogita Ingle 6 years, 11 months ago
- Carnot Engine is a reversible engine.
- Carnot's theorem consists of two parts
(i) no engine working between two given temperatures can be more efficent than a reversible Carnot engine working between same source and sink.
(ii) all reversible engines working between same source and sink (same limits or temperature) have the same efficiency irrespective the working substance.
Priya Dharshini ? 6 years, 11 months ago
Posted by Aakarshit Guleria 7 years ago
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Posted by Ankit Aryan Shivan 7 years ago
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Shailendra Kumar 7 years ago
Yogita Ingle 7 years ago
Static friction is a non-conservative force, and therefore has no associated potential energy. When static friction is internal, however, it is a non-dissipative force, performing zero net work on the chosen system. The reason is that static friction guarantees that the two interacting objects will undergo the same displacement. Thus, the work done on the two objects will cancel by Newton's Third Law.
Posted by Rohitman Jorwal 7 years ago
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Yogita Ingle 7 years ago
Linear velocity is defined as the rate of change of displacement. The unit of linear velocity is m/s.
Angular velocity of a body is the rate of change of angular displacement over a period of time. The unit of angular velocity is rad/s.
Posted by Anurag Rana 7 years ago
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Yogita Ingle 7 years ago
Magnitude represents the size of the physical quantity.
Magnitude is like how much that physicalo quantitiy is.
Example
If we say 4 second
Here 4 represents the magnitude of the time.
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Ayushi Ayushi 6 years, 11 months ago
4Thank You