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engineering mechanics kinematics of a particle
1. For a short time the missile moves along the parabolic path y = (18 - 2x2) km. If motion along the ground is measured as x = (4t - 3) km, where t is in seconds, determine the magnitudes of the missile's velocity and acceleration when t = 1 s.
(A): v = 16.00 km/s, a = 22.6 km/s2
(B): v = 16.49 km/s, a = 64.0 km/s2
(C): v = 4.00 km/s, a = 16.03 km/s2
(D): v = 5.66 km/s, a = 4.0 km/s2
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