(a)
The required pressure of the fluid in the syringe.
(a)
Answer to Problem 61P
The required pressure of the fluid in the syringe is
Explanation of Solution
Given that the internal radius of the syringe is
Write the expression for the rate of injection.
Here,
Use
Solve for
Conclusion:
Substitute
Therefore, the required pressure of the fluid in the syringe is
(b)
The force that must be applied to the plunger.
(b)
Answer to Problem 61P
The force that must be applied to the plunger is
Explanation of Solution
Given that area of the plunge of the syringe is
Write the expression for the force on the plunge of the syringe.
Here,
Conclusion:
Substitute
Therefore, the force that must be applied to the plunger is
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