Which statement best describes the isothermal process? A. the temperature remains constant B. the temperature increases at a con
2 answers:
Answer: Option (A) is the correct answer.
Explanation:
An isothermal process is defined as the process in which temperature of a system remains constant. In an isthermal process, = 0.
When an outside thermal reservoir is in contact with a system then very slow change in the system will occur in order to allow the system to continue adjusting to the reservoir's temperature through exchange of heat.
Hence, we can conclude that the temperature remains constant, best describes the isothermal process.
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Answer:
The height of the cliff is 90.60 meters.
Explanation:
It is given that,
Initial horizontal speed of the stone, u = 10 m/s
Initial vertical speed of the stone, u' = 0 (as there is no motion in vertical direction)
The time taken by the stone from the top of the cliff to the bottom to be 4.3 s, t = 4.3 s
Let h is the height of the cliff. Using the second equation of motion in vertical direction to find it. It is given by :
h = 90.60 meters
So, the height of the cliff is 90.60 meters. Hence, this is the required solution.