How high would a 75 kg hiker have to climb to increase her potention by 12000 J
1 answer:
16.33m
Explanation:
Given parameters:
Mass of the hiker = 75kg
Potential energy = 12000J
Unknown:
Height = ?
Solution:
The potential energy is the energy at rest of a body.
Potential energy = mgh
m is the mass of the hiker
g is the acceleration due to gravity
h is the height
The unknown is the height;
Height =
Height = = 16.33m
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Answer : The final pressure of the system in atm is, 3.64 atm
Explanation :
Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.
or,
where,
= first pressure = 8.19 atm
= second pressure = 2.65 atm
= first volume = 2.14 L
= second volume = 9.84 L
= final pressure = ?
= final volume = 2.14 L + 9.84 L = 11.98 L
Now put all the given values in the above equation, we get:
Therefore, the final pressure of the system in atm is, 3.64 atm