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Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground
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Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o
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Emmy kicks a soccer ball up at an angle of 45° over a level field. she watches the ball's trajectory and notices that it lands, two seconds after being kicked, about 20 m away to the north. assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. consider only the time that the ball is in the air, after being kicked but before landing. take "north" and "up" as the positive ‑ and ‑directions, respectively, and use ≈10 m/s2 for the downward acceleration due to gravity.
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Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency...
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