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Physics, 07.04.2020 19:26 screen7866
A kite weighs 2.50 lb and has an area of 8.00 ft2 . The tension in the kite string is 6.60 lb when the string makes an angle of 45⁰ with the horizontal. For a wind of 20 mph (29.3 ft/s), what are the coefficients of lift and drag (based on the kite’s area)? Use air density of 0.00234 slug/ft3 .
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Physics, 22.06.2019 10:40, rainbowboi
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
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A kite weighs 2.50 lb and has an area of 8.00 ft2 . The tension in the kite string is 6.60 lb when t...
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