(5/w) 6 SpaceX engineers is planning to build a 2-stage rocket which has a-t graph as shown. By their design, the first stage A will burn out after 20 seconds and then the second stage B will 30 ignite. Plot the v-t and s-t graphs which describe the two-stage motion of the missile for 0 st s 30s. 22 5 (s) 30
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