Physics, asked by sakshams, 1 year ago

What is the running speed of pole vaulter who cleans a bar of 5m ?

Answers

Answered by nlokhande
5
Lets under the science behind the pole vaulting sport to answer this question. 

Athlete need to run as fast as he/she can, and then kinetic energy that is achieved through this running needs to be converted to kinetic energy to reach to a maximum height. Thus faster the running speed, more the energy, and thus more the height that can be reached. 

Mathematically, and using the physics, this can be described as below - 
(1/2) *M*V*V = M*g* (delta h)
        Where, M is the mass/weight of the athlete
                     v is the velocity of the athlete just before the vault
                     g is gravitational constant
                     delta h is the change in height of the athlete's center of mass

Cancelling mass, we get
v*v = (delta h*g) / 2

Add your values in this equation, and you get the speed. 

If this helps, please mark as brainlist. 
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