1) An arm OA rotates around the origin O according to the angle 2 0.15t where 0 is in radians and t in seconds. A collar B slides along the arm such that r= 1 - 0.12t where r is in meters. In polar coordinates system: a) Determine the velocity vector of the collar at time t. b) Compute the speed of the collar for 0 = 30°. = O 0 B
1) An arm OA rotates around the origin O according to the angle 2 0.15t where 0 is in radians and t in seconds. A collar B slides along the arm such that r= 1 - 0.12t where r is in meters. In polar coordinates system: a) Determine the velocity vector of the collar at time t. b) Compute the speed of the collar for 0 = 30°. = O 0 B
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1) An arm OA rotates around the origin O according to the angle 0
2
0.15t where @ is in radians and t in seconds. A collar B slides along
2
the arm such that r= 1 - 0.12 where 1 is in meters. In polar
coordinates system:
a) Determine the velocity vector of the collar at time t.
b) Compute the speed of the collar for 0 = 30°.
O
B
B
A
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