4.5.3 - Final Velocity and Force Calculation
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Practice Questions
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What does the mass conservation equation state?
💡 Hint: Think about the flow of fluids in and out of a system.
What is incompressible flow?
💡 Hint: Consider how gases behave under pressure.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does inflow equal in a closed fluid system?
💡 Hint: Think about what happens to fluid in a container.
Reynolds Transport Theorem helps calculate what?
💡 Hint: Think about how momentum shares relate at system boundaries.
1 more question available
Challenge Problems
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A jet of water with an area of 3 cm² and velocity of 20 m/s strikes a plate moving at 15 m/s. Calculate the force acting on the plate.
💡 Hint: Use mass flow rate concepts and consider the area.
Evaluate the deceleration of a spacecraft that is 15,000 kg and has gases expelled at a rate of 90 kg/s at 2500 m/s to counteract a downward velocity of 600 m/s.
💡 Hint: Consider the thrust force needed to balance the downward momentum effectively.
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