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michelle did a survey in four butterfly parks and wrote the following observations: butterfly park survey park number of red butterflies total number of butterflies a 33 60 b 36 78 c 40 89 d 24 59 based on the survey, which park had the greatest percentage of red butterflies? park a park b park c park d

Amass weighing 16 pounds stretches a spring 8/3 feet. the mass is initially released from rest from a point 2 feet below the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 1/2 the instantaneous velocity. find the equation of motion if the mass is driven by an external force equal to f(t)=cos(2t).