Will was leisurely flying his F-18 when he encountered an alien aircraft. The alien was flying at an altitude of 3 km while Will was at an altitude of 600 m. Will begins to increase his speed at a rate of 2.0 m/s each second. Will is traveling at a speed of 750 km/h at the instant when ? = 45 and at the same instant at this same instant if the alien has a constant velocity of 1,500 km/h. Calculate the following: a) Determine the velocity and acceleration vectors (in m/s and m/s2, respectively) of the alien as observed by Will. [Ans. to Check: vB/A = 208.3 i m/s] b) Determine the time rate of change of the vector r that is between Will and the alien ship in m/s. In other words, find r?. [Ans. to Check: r? = 147.32 m/s] c) Calculate the angular velocity of the space ship relative to Will in rad/s. d) Determine the radial and angular accelerations in m/s2 and rad/s2. [Ans. to Check: r? = 4.86 m/s2]

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VB 3 km 600 m VB 3 km 600 m