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A jet aicraft is traveling at 22m/s in horizontal flight.The engine takes in air at a rate of 72.0 kg/s and burns fuel at a rate of 2.70 kg/s. The exhaust gases are ejected at 615 m/s relative to the aircraft. Find the thrust of the jet engine and the delivered power.
A region of space contains a uniform electric field oriented along the y-axis. How is the plane of second frame oriented with respect to the plane of the first one
An ideal gas, at initial temperature T1 and initial volume 2.0 m3, is expanded adiabatically to a volume of 4.0 m3 then expanded isothermally to a volume of 10 m3, and then compressed adiabatically back to T1.
A woman on a rocket traveling at 0.82c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.85c
A 200 lbs guy wants to slide down a plastic slide 24 ft long and on a 30 degree angle, after that the slide goes horizontally for 6 feet. Taking friction into consideration, how fast would he be going down the slide.
A rocket with a mass of 5 x 10^5 kg has a total energy that is 6 times its rest energy. What is the relativistic kinetic energy of the rocket
The surface area of the eardrum is about 8 x 10^-5 m^2. What is the power transmitted to the eardrum by a soundwave of 40 dB if no sound is reflected
A submarine is 300. m horizontally out from the shore and 100m. beneath the surface of the water. How long does it take for the laser bream to reach the building
Fixed in the frame F is a sheet of charge, of uniform surface density sigma, which bisects the dihedral angle formed by the x-y and the y-z planes. What is the surface charge density sigma prime
Given that apparent expansivity of a liquid is 0.00015x10(raised to power -3) per Kelvin and the linear expansivity of the container is 0.00012 x 10(raised to power -3) per Kelvin
A sphere of radius R = 0.325 m and uniform charge density -151 nC/m3 lies at the center of a spherical, find the magnitude of the electric field at the following radial distances from the center of the charge distribution
An football is punted at 25.0 m/s at an angle of 30.0 degree above the horizon. What is the velocity vector of the ball when it is 5.00 m above the level ground
A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 4.9 rev/min, what is the velocity of the child in m/s
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