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Find what is the lift due to Bernoulli principle on a wing of area 66.6 m2 if the air passes over the top and bottom surfaces at speeds of 264 m/s and 163 m/s, correspondingly?
A person walked a 400 m with a constant speed of 1 m/s, then he increased his speed and walked another 400 m with 2 m/s, what is the average speed during his trip
An explosion breaks an object into two pieces; one of which has 1.48 times the mass of the other. If 7430 J were released in the explosion, how much kinetic energy did the heavier piece acquire? How much kinetic energy did the lighter piece acquire?
A satellite is in a circular orbit about the earth (M = 5.98 x 1024 kg). The period of the satellite is 6.84 x 104 s. What is the speed at which the satellite travels
Two particles are created in a high-energy accelerator and move off in opposite directions. What is the speed of the second particle, as measured in the laboratory
a 21cm long solenoid consists of 5400 turns of wire wound uniformly. what current is needed to produce an 8.0mt
A pendulum consists of a 3.7 kg stone swinging on a 4.4 m string of negligible mass. The stone has a speed of 8.2 m/s when it passes its lowest point. What is the greatest angle with the vertical that the string will reach during the stone's motion
the launching mechanism of a toy gun consists of a spring of unknown spring constant. if the spring is compressed a
A C1=25 uF capacitor is charged to 4.0kV and then removed from the battery and connected to uncharged C2=45uF capacitor. which capacitor stores more energy and why
two charges are placed on the x axis. one charge q1 12.5 microc is at x1 3.0 cm and the other q2 -15 microc is at x2
Two converging lenses, each of focal length 13.4 cm, are placed 62.5 cm apart, and an object is placed 27.6 cm in front of the first. Where is the final image relative to the second lens formed
A thin film of polystyrene is utilized as an antireflective coating for fabulite (known as the substrate). The index of refraction of the fabulite is 2.409 and the index of refraction of the polystyrene is 1.49.
a long string carries a wave a 5.20-m segment of the string contains four complete wavelengths and has a mass of 180 g.
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