Solved: A projectile of mass m = 0.11 kg shot vertically upward with initial velocity

Chapter 5, Problem 11

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A projectile of mass m = 0.11 kg shot vertically upward with initial velocity v(0) = 8 m/s is slowed due to the force of gravity, Fg = mg, and due to air resistance, Fr = kv|v|, where g = 9.8 m/s2 and k = 0.002 kg/m. The differential equation for the velocity v is given by mv = mg kv|v|. a. Find the velocity after 0.1, 0.2, ... , 1.0 s. b. To the nearest tenth of a second, determine when the projectile reaches its maximum height and begins falling.

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