DISCUSSION THREAD
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DISCUSSION and HINTS Since the cable does not stretch (R_dot = R_ddot = 0), an observer on aircraft A will see a circular path for B, although the true path of B is more complicated than that. Since θ_dot = constant, then θ_ddot = 0.
It is recommended that you write down the relative motion kinematics equations relating the motions of A and B:
v B = v A + v B/A a B = a A + a B/A
and use a set of polar coordinates to describe v B/A and a B/A :
v B/A = R_dot* e R + R*theta_dot* e θ = R*theta_dot* e θ a B/A = (R_ddot - R*theta_dot^2)* e R + (R*theta_ddot +2*R_dot*theta_dot)* e θ = - R*theta_dot^2* e R
Since velocity and accleration for a are given on the x axis, do we need to convert them to the polar coordinates before we can add them to the vB/A expression?
I would recommend converting the polar coordinates from vB/A to i and j to find the velocity of the glider.
Also, is there a reason why the angle is in degrees and the change in angle is in radians per second?
It's given in rad/s because that's how you would convert an angular velocity to velocity (rather than some degrees per second)
Does it matter if our final answer is in polar or cartesian?
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