Answer
a) 6490 m/s
b) 7070 m/s
Work Step by Step
v = u + at
a) $v_{x}$ = (5480) + (1.20)(842) $\approx$ 6490 m/s
b) $v_{y}$ = (0) + (8.40)(842) $\approx$ 7070 m/s
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