A rocket of mass 5.0kg is travelling horizontally with a speed of 200ms^-1 when it explodes into two parts.
One part of mass 3.0kg continuos tin the original direction with a speed of 100ms^-1 and the
other part continues in the same direction.

Calculate tho unknown spood of the other part.

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At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius ρa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature ρr of its path, both as observed by the nonrotating skydiver.