### In THREE points, relate the equation of continuity with the propulsion of a rocket. 1. **Equation of Continuity:** The equation of continuity in fluid dynamics states that for an incompressible fluid, the mass flow rate must remain constant from one cross-section to another. Mathematically, it can be expressed as: $$ A_1 v_1 = A_2 v_2 $$ where: - $A$ is the cross-sectional area, and - $v$ is the fluid velocity. 2. **Rocket Propulsion Mechanism:** In rocket propulsion, propellant is expelled at high velocities from the rocket engine. According to the equation of continuity, as the rocket's nozzle area decreases, the velocity of the exhaust gases increases, enhancing thrust. This principle is crucial for achieving the high exit speeds necessary for effective propulsion. 3. **Thrust Generation:** The rocket's thrust can be understood through Newton’s third law, where the expulsion of gas downwards generates an equal and opposite reaction that propels the rocket upwards. The equation of continuity ensures that as exhaust gases accelerate through the nozzle, the thrust produced increases, resulting in efficient rocket performance.
Question
### In THREE points, relate the equation of continuity with the propulsion of a rocket.
1. **Equation of Continuity:** The equation of continuity in fluid dynamics states that for an incompressible fluid, the mass flow rate must remain constant from one cross-section to another. Mathematically, it can be expressed as:
$$ A_1 v_1 = A_2 v_2 $$
where:
- $A$ is the cross-sectional area, and
- $v$ is the fluid velocity.
2. **Rocket Propulsion Mechanism:** In rocket propulsion, propellant is expelled at high velocities from the rocket engine. According to the equation of continuity, as the rocket's nozzle area decreases, the velocity of the exhaust gases increases, enhancing thrust. This principle is crucial for achieving the high exit speeds necessary for effective propulsion.
3. **Thrust Generation:** The rocket's thrust can be understood through Newton’s third law, where the expulsion of gas downwards generates an equal and opposite reaction that propels the rocket upwards. The equation of continuity ensures that as exhaust gases accelerate through the nozzle, the thrust produced increases, resulting in efficient rocket performance.
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Solution 1
- The equation of continuity in fluid dynamics states that the mass flow rate in a fluid system remains constant. This principle is applied in rocket propulsion where the mass of the rocket fuel being expelled out of the rocket (product of the fuel's density, velocity, and cross-sectional area of t Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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