Answer:
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Explanation:
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We have that the density of the fluid is
From the question we are told that
object of volume 0.0004m^3
density 6000kg/m^3
fluid of density 5000kg/m^3.
Force F=0.7N
Generally the equation for the Force is mathematically given as
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Since the total pressure of each gas is the sum of the partial pressures of all the individual gases, the vapor pressure of oxygen is 1.3 atm.
From Dalton's law of partial pressure, the total pressure is the sum of the individual partial pressures of the gases;
PT = PA + PB + PC + --------
Given that;
Vapor pressure of oxygen = 0.2 atm
Total pressure = 1.5 atm
Vapor pressure of oxygen = ?
Partial pressure of oxygen = 1.5 atm - 0.2 atm = 1.3 atm
The vapor pressure of oxygen is 1.3 atm.
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Answer:
3.28 m/s
Explanation:
From the question,
Applying newtons ,
F = mv²/r........................ Equation 1
Where m = mass of the rock, v = speed, r = radius of the circle, F = Centriputal force.
But,
Centriputal force is equal to the weight of the rock
F = mg................. Equation 2
Equate equation 2 into equation 1
mg = mv²/r
Therefore,
v = √gr...................... Equaion 3
Given: r = 2.2/2 = 1.1 m
Constant: g = 9.8 m/s²
Substitute into equation 3
v = √(9.8×1.1)
v = √(10.78)
v = 3.28 m/s
Hence the minimum speed is 3.28 m/s
