The hang time of an athlete who moves horizontally 2.0 m during a 1.25-m-high jump is
A)less than 1 s.
B)about 1 s.
C)more than 1 s.

Question

Quizplus · Accepted Answer

Hang time refers to the amount of time an athlete remains in the air during a jump. In this case, we can use the equation for hang time:

hang time = √((2 * jump height) / g)

where g is the acceleration due to gravity (9.81 m/s^2).

Plugging in the given values, we get:

hang time = √((2 * 1.25 m) / 9.81 m/s^2) ≈ 0.506 s

This means the athlete's hang time is about half a second, which is closest to option B, "about 1 s." Option A, "less than 1 s," is incorrect because the calculated hang time is longer than 0.5 s. Option C, "more than 1 s," is also incorrect because the hang time is less than 1 s.

The Hang Time of an Athlete Who Moves Horizontally 2