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Air at 0.500 MPa and 21.0°C enters an isentropic convergingdiverging nozzle with a negligible velocity. The exit to throat area ratio of the nozzle is 1.34.
If the throat velocity is sonic, determine the exit static pressure, temperature, and Mach number, if
(a) the exit is subsonic and
(b) the exit is supersonic.
An astronaunt has landed on a strange new planet and conducts an experiment to determine the acceleration of gravity. She uses a pendulum that has a period of oscillation of 2.84 s on the strange planet and 11.85 s on Earth. What is acceleration of g..
Assuming that Earth (and its atmosphere) behaves like a flat disk perpendicular to the Sun's rays and that all the incident energy are absorbed. Find what would it be for Venus
a bullet of mass m traveling with velocity v strikes and lodges in a wooden block of mass m. the block is initially at
A single loop contains a resistor, a capacitor, good battery and a single pole switch all connected in series. What should be the current in this circuit
A large group of football fans comes to the game with colored cards that spell out the name of their team when held up simultaneously. Most of the cards are colored blue, find the maximum diameter (in mm) of the spectator's pupils
when light of a wavelength of 200 nm is incident on a surface, What is the work function of the surface
A 2.5 kOHM and a .5kOHM resistor are connected in parallel; this combination is connected in series with a .583kOHM resistor. find the maximum voltage that can be applied by the battery
A bag of intravenous (iv) infusion is help up at 80 cm above the level of patient's veion, What is the downward force of the saline solution on the clot at the tip of the catheter
Calculate the average velocity
Three 25.0-ohm resistors are connected in series across a 60.0-V battery. What is the equivalent resistance of the circuit and What is the current in the circuit
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 80.2 m/s at ground level. What is its velocity just before it hits the ground
Two opposite point charges of magnitude 2.200e-6 C are placed near the origin. Find the magnitude of the dipole moment vector for this pair of charges
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