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A gas cylinder holds 0.250mol of O2 at 180 C and a pressure of 3.10 atm. The gas expands adiabatically until the volume is doubled. What is final pressure? What is final temperature?
A box slides across a frictionless floor with an initial speed v = 3.4 m/s. It encounters a rough region where the coefficient of friction is µk = 0.5. with what speed does the box leave the strip
A helium filled ballon at atmospheric pressure is tied to a 3.0 m long, 40g string. The ballon is spherical with mass 0.25 and radius 0.40 m. When released, it lifts a lengh (h) of the string, and then remais in equilibrium.
The decibel level of the noise from a jet aircraft is 130 dB when measured 16.8 m from the aircraft. How much sound power does the jet aircraft emit? How much sound power would strike the eardrum of an airport worker 16.8 m from the aircraft? Assu..
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 4.80x10-2 kg/s. The density of the gasoline is 737 kg/m3, and the radius of the fuel line is 2.18x10-3 m. What is the speed at which gasoline moves through the fuel line?
What is the minimum diameter mirror on a telescope that would allow you to see details as small as 4.85 km on the moon some 384000 km away
A worker stands still on a roof sloped at an angle of 21° above the horizontal. He is prevented from slipping by a static frictional force of 400 N. Find out the mass of the worker.
Five thousand joules of heat is put into a Carnot engine whose hot and cold reservoirs have temperatures of 490 and 270 K, respectively. How much heat is converted into work
What is the IMA of the jack.
Identify the magnitude and direction of the electric field at a point midway between a -8.0 uC and a +5.8 uC charge 8.0 cm away. Assume no other charges are nearby.
In the system shown in figure. A horizontal force Fx with a magnitude of 100N acts on object of mass m2=6.15kg. The horizontal force is frictionless. ( Picture- a flat table with mass m2 connected with a string to a pulley and mass 1 hangs off the ta..
The drawing shows two fully charged capacitors (C1= 2.00 microF, q1= 6.00 microF; C2= 8.00 microF, q2= 12.0 microF), Find the resulting voltage across either capacitor
The Earth is 93 million miles (mi) from the Sun and its period of revolution is 1 year = 3.15 x 10^7 s. What is the acceleration of the Earth in its orbit about the sun?
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