DynastyValentin0614 DynastyValentin0614

17-03-2021
Chemistry

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A 34 kg child has 190 J of kinetic energy after sledding down a hill. What is the child’s velocity in meters per second at the bottom of the hill?

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natocmark natocmark

17-03-2021

Answer: 3.34 meters

Explanation:

If the kinetic energy formula states that 1/2mv^2= KE then we are solving for v. We already know mass and Joules so the equation becomes

[tex]\frac{1}{2}[/tex](34)[tex]v^{2}[/tex]=190

17v^2=190

v^2=190/17

v=3.34

Solve for V

V=3.34

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