Answer to Question #21991 in Mechanics | Relativity for Willim
The vertical velocity Vx = V * cosA = d * cosA / t.
As d = 30 m and t = 4 s, V = 30 / 4 = 7.5 m/s and A = 45.0°,getting:
Vx = 30 * 1 / (4 * sqrt(2)) = 7.5 / sqrt(2) =approx. 5.3033 m/s.
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