Energy Part 2- Geogle Chrome a Secure hitips//session.masteringphysics.com/myct/

Question

Energy Part 2- Geogle Chrome a Secure hitips//session.masteringphysics.com/myct/itemViewassigmentProblemiD-81625570ffset-nest CHW 811-Energy Part 2 Problem 6.36 |6 of 18 ) Cnstants1 Periadis Table Part A in the high jump, Fran's kinetic energy is transformed int gravilational potential energy without the aid of a pole With what minimom speed must Fran leave the ground in order to lift her center of mass 1 90 m and cross the bar with a speed of o 70 m/s m/s X incorrect; Try Again: 5 atempts remaining | Provide Feedback

Explanation / Answer

Applying energy conservation,

PEi + KEi = PEf + KEF

0 + (m v0^2 / 2) = m g h + m v^2 /2

v0^2 = (2 x 9.8 x 1.90) + (0.70^2 )

v0 = 6.14 m/s

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