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1. Design a converging-diverging nozzle system that can be used to demonstrate supersonic flow in the classroom. Choose a convenient gas, inlet conditions, and exit Mach number. Determine the necessary area ratios, pressures, and temperatures throughout the system.
2. Design an attitude control nozzle for a spacecraft that produces 50.0 N of thrust using compressed helium gas stored at 50.0 MPa and 0.00°C. Assume the nozzle discharges into a total vacuum. Specify the nozzle inlet, throat, and exit areas as well as the exit Mach number.
A Ball Rolling Uphill. A bowling ball rolls without slippingup a ramp that slopes upward at an angle beta to the horizontal. What is the acceleration of the center of mass of the ball
A 7.0 gram bullet shoots into 1.5 kilogram ballistic pendulum. Bullet emerges with velocity 200 m/s, and pendulum rises to max of12 centimeter. Compute what the initial speed of bullet
Why the circuit Current (I) decrease, when Inductance (L) or inductive reactance (XL) increases in inductive circuit
A traveler first drives 19.4 km east, then 29.7 km southeast, and finally 9.9 km south. Find the traveler's total displacement
Two point charges 3.0cm apart have an electric potential energy -130?J, find the lesser and greater charge
A 25kg solid door is 220cm tall, 91cm wide. What is the door's moment of inertia for rotation about a vertical axis inside the door, 15cm from one edge.
A bullet of mass 5.2 g is fired horizontally into a 7.1 kg wooden block at rest on a horizontal surface. At what speed is the bullet fired
The incident electron loses energy The incident electron emits an x-ray.
Swift is a spacecraft that has a collecting area of 0.520 m2 to detect gamma-ray bursts (GRBs). find the amplitude of the magnetic field of the source
A 1325-kg car coasts in neutral down a 2.11° hill. The car attains a terminal speed of 21.0 m/s. How much power must the engine deliver to drive the car
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the speed of a satellite in a geosynchronous orbit
A car traveling 87km/h strikes a tree. The front end of the car compresses, What was the average acceleration of the driver during the collision
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