Hvdev199517idn
Answered

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solve for m in E=1/2mv²+mgh

Sagot :

Kate200468idn
[tex]E= \frac{1}{2} mv^2+mgh\ /\cdot2\\\\2E=mv^2+2mgh\\\\2E=m(v^2+2gh)\ /:(v^2+2gh)\\\\m= \frac{2E}{v^2+2gh} [/tex]
Lilithidn
[tex]E= \frac{1}{2}mv^2+mgh \ \ / \cdot 2\\ \\ 2 \cdot \frac{1}{2}mv^2+ 2\cdotmgh = 2\cdot E\\ \\ mv^2+2mgh= 2E \\ \\m(v ^2+2gh)= 2E \\ \\ m=\frac{2E}{v ^2+2gh}[/tex]


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