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A meteoroid is speeding through the atmosphere, traveling east at 19.3 km/s while descending at 16.0 km/s. What is its speed, in km/s? Number Units the tolerance is +/-2%

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Answer #1

Solution)

Given

horizontal component ,Vx = 19.3 km/s

verctical component , Vy = 16.0 km /s

Velocity vector,V = i Vx - jVy

Speed= √ (Vx2 + Vy2 )

=25.06 km /s (Ans)

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