In which scenario does radiation occur?
2 answers:
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Answer:
Explanation:
Given that:
- force applied,
- displacement,
(length of a tennis court)
- time taken for pushing, t = 40 s
Since, work is given by:
Now, power is given as:
Calories consumed is:
Answer:
When the volume increases or when the temperature decreases
Explanation:
The ideal gas equation states that:
where
p is the gas pressure
V is the volume
n is the number of moles of gas
R is the gas constant
T is the gas temperature
Assuming that we have a fixed amount of gas, so n is constant, we can rewrite the equation as
which means the following:
- Pressure is inversely proportional to the volume: this means that the pressure decreases when the volume increases
- Pressure is directly proportional to the temperature: this means that the pressure decreases when the temperature decreases