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The pressure inside a bottle of champagne is 4.5 atm higher thanthe air pressure outside. The neck of the bottle has an innerradius of 1.0 cm. What is the frictional force on the cork due to the neck of the bottle?
two particles are fixed to an x axis particle 1 of charge q1 2.43 x 10-8 c at x 22.4 cm and particle 2 of charge q2
a hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.50 ms when it
A 39-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, How high does she rise during this interval
Traveling at a speed of 18.9 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. What is the speed of the automobile
Consider the double delta-function potential
A projectile is fired up into the air at a speed of 119 m/s at an angle of 23° relative to the horizontal. Determine the maximum height the projectile will reach.
A computer to be used in a satellite must be able to withstand accelerations of up to 25 times the acceleration due to gravity, What is the minimum amplitude of vibration that must be used in this test
A classroom slide projector projects an enlarged (55 times taller) image of a 24 mm high photographic film onto a screen located 10 meters from the projector. What focal length lens (cm) does slide projector require to produce a sharply focus imag..
there are two stable states of caco3 known as aragonite and calcite. using information from the table reference data at
A toy rocket engine lifts a mass of 4.5 kg to a height of 15.0 meters. At this height, the rocket is moving at 26.7 m/s. How much work was done by the rocket engine
A body is dropped from rest and falls freely. Determine the position and speed of the body after 1.0, 2.0, 3.0 and 4.0 s have elapsed
One cylinder in the diesel engine of a truck has an initial volume of 600cm^3. air is admitted into the cylinder at 30 degrees C and a pressure of 1.0 atm. the piston rod then does 400J of work to rapidly compress the air. what are its final temperat..
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