Homework Answers
(a) the angular velocity of the spaceship is
w = v/r = (19500 km/hr)/(3460 km)
= 5.635 rad/hr = 1.56×10^-3 rad/sec
(b) the radial acceleration of the spaceship is
a_r = v^2/r = (w^2)(r)
= (1.56×10^-3)^2 ×(3460*10^3)
= 8.42 m/s^2
(c) the spaceship is rotating with a constant angular velocity, then the tangential acceleration of the spaceship is zero
a = 0 rad/s^2
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