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:
Explanation:
1. We use the conservation of momentum for before the raining and after. And also we take into account that in 0.5h the accumulated water is
100kg/h*0.5h = 50kg
2. the momentum does not conserve because the drag force of water makes that the boat loses velocity
3. If we assume that the force of the boat before the raining is
where we have assumed that the acceleration of the boat is 1m/s{2} just before the rain starts
And if we take the net force as
where we take v=1m/s because we are taking into account tha velocity just after the rain stars.
I hope this is useful for you
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