A60.0-kg and a 90.0-kg skydiver jump from an airplane at an altitude of 6.00×103m , both falling in a headfirst position. make some assumption on their frontal areas and calculate their terminal velocities. how long will it take for each skydiver to reach the ground (assuming the time to reach terminal velocity is small)? assume all values are accurate to three significant digits.
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Which describe reflection? check all that apply. light bounces off a boundary.
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Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants
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A60.0-kg and a 90.0-kg skydiver jump from an airplane at an altitude of 6.00×103m , both falling in...
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