4. A person performs a standard long jump from the ground (takeoff and landing surfaces the same). Using a total flight time of 0.43 s and a horizontal
displacement of 2.5 m, calculate the following.
a. Vertical velocity at takeoff.
b. Horizontal velocity at takeoff.
c. Actual (resultant) velocity at takeoff.
d. Angle of takeoff.
e. Peak height.
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