If the launch speed of a kicked football was doubled,then by what factor would its hang time increase?
A)the square root of two
B)two
C)four
D)eight

Question

Quizplus · Accepted Answer

The hang time of a projectile is directly proportional to its initial vertical velocity. If the launch speed is doubled, the vertical component of the velocity is also doubled, thus doubling the hang time.

If the Launch Speed of a Kicked Football Was Doubled,then