donutholes70
Answered

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HELP If a skater has a mass of 55 kg and the maximum height the skater can reach is 10 m, then what will be the velocity of the skater if they skate down to a height of 5 m?


please if someone could explain this to me, that'd be appreciated :)

Sagot :

ChizuruChan

Hello, for this applicate formula:

Vf² = Vo² + 2gh

Data:

Vf = Final Velocity = ¿?

Vo = Initial veloctiy = 0 m/s

g = Gravity = 9,81 m/s²

h = Height = 5 m

Replacing according our data:

Vf² = 0 m/s² + 2(9,81 m/s²)(5 m)

Vf² = 98,1 m²/s²

Vf = √98,1 m²/s²

Vf = 9,9 m/s

The final velocity will be 9,9 meters per second.

The answer is 9.9 m/s

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