- Need Help With Classical Mechanics Hw 1 (143.83 KiB) Viewed 30 times
need help with classical mechanics hw
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answerhappygod
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need help with classical mechanics hw
need help with classical mechanics hw
2 you feel at the top of the first hoop? (6,4 points). 2. An object is falling in the atmosphere under gravity and is subject to both linear and quadratic drag forces, as is always the case. -bul -cu2 a) Show that the Newton's 2nd law gives: & mg * - g(1 - V/V - - V?/VQ2?)=0 where V+ and Vor are the terminal velocities that would arise from the linear and quadratic drag forces if each was acting alone, xdotdot is the acceleration and vis the velocity = x-dot. (b) Find an expression for the terminal velocity v. in terms of v. and Vou when both drag forces are significant. Is v.<min (V, Vo:)? Give a qualitative argument. (c) Calculate v* when V * = Vox = 10m/s; V *= 10 m/s and Vo* = 1 m/s; V _* = 1 m/s and Vou = 50 m/s. (3,4,3 points)
2 you feel at the top of the first hoop? (6,4 points). 2. An object is falling in the atmosphere under gravity and is subject to both linear and quadratic drag forces, as is always the case. -bul -cu2 a) Show that the Newton's 2nd law gives: & mg * - g(1 - V/V - - V?/VQ2?)=0 where V+ and Vor are the terminal velocities that would arise from the linear and quadratic drag forces if each was acting alone, xdotdot is the acceleration and vis the velocity = x-dot. (b) Find an expression for the terminal velocity v. in terms of v. and Vou when both drag forces are significant. Is v.<min (V, Vo:)? Give a qualitative argument. (c) Calculate v* when V * = Vox = 10m/s; V *= 10 m/s and Vo* = 1 m/s; V _* = 1 m/s and Vou = 50 m/s. (3,4,3 points)
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