LU20 Quiz 13.1 (page 5 of 5) A robot fires a tennis ball to protect itself from an incoming baseball. The trajectory of the tennis ball shot from the robot is given by r(s) = (10- 20s, 10V 3-20V 3s, 15s - 5s2) the position of the robot, and the baseball has a trajectory given by b(t) = (5t, 5V 3t, 10t – 5t2), t> 0 , where r(0) %3D At what time to t0 should the robot fire the tennis ball so that it collides with the baseball? Select one: a. 1 to %3D b. to = 2 C. to = 3 %3D d. to = 1 e. to

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