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Question: Air initially at 1500k and 25 bar is allowed to expand isentropically with a ratio at volumes of v2/v1 = 9, Find the ending Temperature and Pressure with:
a. Values from table A-22
b. Constant spocific heats with k = 1.4
A dart is thrown horizontally with an initial speed of 6 m/s toward point P, the bull's-eye on a dart board. How far away from the dart board is the dart released in meters
For a science fair competition, a group of high school students build a kicker-machine that can launch a golf ball from the origin with a velocity of 11.3 m/s, How high will be the highest point of trajectory
A charge of 38 μC is distributed evenly over a sheet of area 3.3m2 positioned on the y-z plane. Calculate the charge density on the sheet
If the string makes an angle of 29? with the vertical, find out the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s2 .
A toy cart is attached to a weight across a half-pulley as shown on the drawing. How long will it take before the cart is moving with the same speed 457.0 cm/s, but back toward the pulley ?
A spring-loaded pellet gun is designed to fire 3.40 g projectiles horizontally at a speed of37.2 m/s. What maximum force is required to load the gun
The work function of a certain metal is 3.00 eV. What is the kinetic energy of a photoelectric in both "J" and "eV" for an incident photon of wavelength 400.0 nm
What is in m/s the vertical component of the velocity as the electron exits the metal plates? What is the vertical deflection (displacement) of the electrons due to the plates?
An object is 23.2 cm from the surface of a refiective spherical Christmas-tree ornament 5.11 cm in radius. What is the apparent position of the image
Determine the radius of curvature of the proton's path while in the field, m Determine the distance the proton traveled in the field, m Determine the time interval for which the proton is in the field.
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.7 cubic meters of sea water
A 32.0 µF capacitor is connected to a 45.0 omegacap.gif resistor and a generator whose rms output is 30.0 V at 60.0 Hz. compute The phase angle for the circuit
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