Assume the resistive force acting on a speed skater is proportional to the square of the skater's speed v and is given by f=-k m v^2, where k is a constant and m is the skater's mass. The skater crosses the finish line of a straight-line race with speed vi and then slows down by coasting on his skates. Show that the skater's speed at any time t after crossing the finish line is v(t)=vi /(1 k t vi) . | Numerade
Assume the resistive force acting on a speed skater is proportional to t…
Mar 2, 2021
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SOLVED: A 20.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the square of its speed: What is the acceleration of the object when its speed has reached 1/3 the terminal speed?8/9 g2/3 g1/9 g1/3 gCannot be determined
SOLVED: A 20.0-kg object experiences a drag force due to ai…
Feb 16, 2023
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SOLVED:Suppose that the upward force of air resistance on a falling object is proportional to the square of the velocity. For this case, the velocity can be computed as v(t)=√((g m)/(cd))tanh (√((g cd)/(m)) t) where cd= a second-order drag coefficient. (a) If g=9.8 m / s^2, m= 68.1 kg and cd=0.25 kg / m, use analytical integration to determine how far the object falls in 10 s. (b) Make the same evaluation, but evaluate the integral with the multiple-segment trapezoidal rule. Use a sufficient
SOLVED:Suppose that the upward force of air resistance on a falling …
May 12, 2020
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Answered: Assume the resistive force acting on a speed skater is proportional to the square of theskater’s speed v and is given by f = −kmv2, where k is a constant and m… | bartleby
Answered: Assume the resistive force acting on a speed skater is p…
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