A motion marker placed at the knee joint moved from position = 1 with coordinate

Question

A motion marker placed at the knee joint moved from position = 1 with coordinates (10,3) to position #2 with coordinates (8,9) in 0.017 seconds. What is the displacement vector from position #1 to #2? What is the magnitude of the displacement vector? Calculate the average speed of the knee marker while traveling between positions #1 and 2. A softball is thrown with a velocity of 22.5 m/s at an angle of 56 degree (w.r.t. the horizontal line) from a height of 1.7 m. Calculate the vertical and horizontal velocity components the time to peak trajectory the height of the trajectory from the point of release the total height of the parabola the total flight time the range of the throw

Explanation / Answer

a)2i-6j
b)(4+36)

=40=6.325

c)6.325/0.017=372

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