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1. Show that the energy equation relates the temperature rise to the velocity change for a small adiabatic disturbance traveling in a gas by cp DT ¼ 2c DV:
2. Show that a small disturbance travels in water at about 1450 m=s and in air at standard conditions at about 340 m=s.
The far point of a nearsighted person is 6.3 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
If the electric charge did not exist and electrons were bound to protons by the gravitational force to form hydrogen, derive the corresponding expressions for ao and En and compute the energy and frequency of the light emitted in the n=2 to n=1 tr..
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
The mean distance between earth and the sun is 1.50 multiplied by 1011 m. what is the total power radiated by the sun
A water heater consisting of a metal coil that is connected across the terminals of a 12-V power supply is able to heat 220 mL of water from room temperature (20°C) to boiling point in 50 s. What is the resistance of the coil? (When entering units, u..
a block of mass 3 kg is moved up an incline that makes an angle of 37 with the horizontal under the action of a
vector a has a magnitude of 6 m and makes an angle of 28 degrees with the positive x axis. vector b also has a
Two boxes of mass 4.70 and 2.70 kg are in contact and are accelerated across a horizontal surface by an force of 28.24 N applied parallel to the surface and pushing on the lighter box. Find the acceleration of the two boxes
How many nanoseconds does it take light to travel a distance of 3.30km in vacuum
Stanford Linear Accelerator Center (SLAC) bombarded 9-GeV electrons head on with 3.1GeV positrons to create B mesons and anti-B mesons. Whats speeds did the electron and positron have when they collided?
an ideal gas has a pressure of 2.5, a volume of 1.0L at a temperature of 30degress C. How many molecules are there in the gas
a spacecraft engine creates 55.1 mn of thrust with a propellant velocity of 4.88 kms. a find the rate dmdt at which the
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