Suppose a fly and an eagle have the same kinetic energy. How could this be true?
1 answer:
Answer:
The fly must be moving at a greater speed than the eagle
Explanation:
The kinetic energy of an object is given by
where
m is the mass of the object
v is its speed
In this problem, we have a fly and an eagle, and they both have same kinetic energy. We also know that the eagle has a much larger mass m than the fly: therefore, since the kinetic energy depends only on m and v, in order for the two animals to have same K, it means that the fly must have a much larger speed v than the eagle.
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Answer: The partial pressure of if the total pressure of the mixture is 3.9 atm is 0.975 atm
Explanation:
According to Raoult's law, the vapor pressure of a component at a given temperature is equal to the mole fraction of that component multiplied by the vapor pressure of that component in the pure state.
where, x = mole fraction of nitrogen in solution = 0.25
= partial pressure of nitrogen = ?
= Total pressure = 3.9 atm
Putting in the values :
The partial pressure of is 0.975 atm