Determine the speed v0 at point a

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1) The angular acceleration of a body is given bya = 3t² + 3. If the initial angular velocity is 3 rad/s and the initial angular displacement is zero, determine the values ofw andq when t = 2s.

2) A spacecraft describing a circular orbit at an altitude of 3000 km above the earth's surface must reduce its speed to V0 in order to describe an elliptic trajectory for reentry. It is desired that its splash-down occurs at a point S on the surface of the earth of radius 6370 km at a location whereq = 60°. Determine the speed V₀ at point A

Reference no: EM131388956

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