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A Cessna aircraft has a lift-off speed of 120 km/h.
(a) What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 290 m?
(b) How long does it take the aircraft to become airborne?
The resistance of a silver wire is to be calibrated for low-temperature measurements. A silver wire with a resistance of 1.15, what is the expected resistance of the silver wire at -196 °C
a satellite of mass 500 kg is placed in an orbit of radius 5 times the radius of earth, i.e. the distance between the satellite, calculate the cetripetal force experienced by the satellite
1 cubic meter 1.00m3 of aluminum has a mass of 2.70x103 kg and a 1.00m3 of iron has a mass of 7.86x103 kg. find the
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In the figure R1 = 4.11 ?, R2 = 19.7 ?, and the ideal battery has emf ? = 13.0 V. How much energy is dissipated by all four resistors
A concave shaving mirror has a radius of curvature of +39.9 cm. It is positioned so that the (upright) image of a man's face is 1.54 times the size of the face. How far is the mirror from the face
A 2.0kg ball and a 4.5kg ball, each moving at 0.90m/s , undergo a head-on collision. How much mechanical energy was lost in this collision
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