Problem Statement

A rocket is fired vertically upward from a launching pad at B$,$ and its flight is tracked by radar from

point A$,1800$m away horizontally from the launching pad. Find the magnitude of the velocity of

the rocket when $\backslash$theta $=45\backslash$deg and d$(\backslash$theta $)/($d$)$t$=0\mathrm{.}1$ra$($d$)/($s$).$

Kineties or Kinematies $->$ Why?

Particle or Reagid Body $->$ Why?

Solution: