Question

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✨✨ Physics Genius Answer it ✨✨

If Michael jordan was a vertical leap of 1.29 m , Then what is his takeoff speed and his hang time ( Total time to move upwards to the peak and then return to the ground )

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Answer 1

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Let the initial velocity be ‘u’.

Acceleration due to gravity, g = -9.8 m/s2 [downward]

Let the time of flight be ‘t’.

So, using

v2 = u2 + 2as

=> 0 = u2 + 2(-9.8)(1.29)

=> u = 5.03 m/s

Now,

s = ut + ½ at2

=> 0 = 5.03t – 0.5 × 9.8 × t2

=> t = 1.03 s

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Answer 2

If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed and his hang time (total time to move upwards to the peak and then return to the ground)? A bullet leaves a rifle with a muzzle velocity of 521 m/s.

Let the initial velocity be ‘u’.

Acceleration due to gravity, g = -9.8 m/s2 [downward]

Let the time of flight be ‘t’.

So, using

v2 = u2 + 2as

=> 0 = u2 + 2(-9.8)(1.29)

=> u = 5.03 m/s

Now,

s = ut + ½ at2

=> 0 = 5.03t – 0.5 × 9.8 × t2

=> t = 1.03 s