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A British Airways Boeing 777 accelerates from rest to lift-off speed of 73.46 m/s in 28.50 s. Each of the plane's two jet engines provides a forward force (thrust) of 119.00 kN.
1. What is the mass of the plane?
2. How far does the plane travel down the runway before lift-off?
A beam of visible light has a wavelength of 513 nm and shines perpendicularly on a surface. As a result, there are 4.2 x 1018 photons per second striking the surface. By using the impulse-momentum theorem (Section 7.1), get the average force that thi..
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question an electron moves in a 0.5nt b-field. if the radius of the circular orbit is 1cm what is its period angular
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