Consider a differential drive robot with the following instantaneous speed and orientation angle: robot linear tangential velocity (speed) =  VC = VAVG = 20 cm/s (centimeters per second) robot orientation heading angle = θ = 70 degrees a) Find VX (x component of the robot velocity) b) Find Vy (y component of the robot velocity)

In the figure below, the time-varying global orientation of the thigh segment is plotted in radians relative to the right hand horizontal across a running Thigh angle (rad) 5 0.3 0.4 0.5 0.6 Which of the following statements regarding the above figure is incorrect? a. The thigh angular velocity is always positive b. The thigh angular velocity at 0.25 s is positive c. The thigh angular range of motion is approximately 1.8 rad O d. The thigh angular velocity at 0.5 s is negative 0.1 0.2

Suppose an object moves with velocity v(t) = -/4t + 9i + 5j + (4 – 2t)k meters per second, and it has initial position r(0) = 2i – 7j +k. a) Find the position function r(t). b) At the initial time, is the object moving upwards or downwards? Why? c) Find the speed function of the object at time t. d) Find the tangential component of acceleration when t = 0. %3D O Do not answer here.