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As rod OA rotates, pin P moves along the parabola BCD . Knowing that the equation of this parabola is r= 2 b/(1 + cos 0 ) and that θ=kt , determine the velocity and acceleration of P when (a) θ= 0, (b)0 = 90°.
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- An object rolls off a tabletop with a horizontal velocity v0x = 18 m/s. The table is at a height y0 = 1.2 m, above the floor. Use a coordinate system with its origin on the floor directly beneath the point where the object rolls off the table, its horizontal x-axis lying directly beneath the object’s trajectory, and its vertical y-axis pointing up. What is the vertical component of velocity, in meters per second, when the object hits the ground?Airplane makes a gradual 90 degrees turn while flying at a constant speed of 200 m/s. The process takes 20.0 seconds to complete. 1. for this turn, the magnitude of the radial acceleration of the plane is?Just need help with part B