pereturcs2021 pereturcs2021

26-09-2020
Mathematics

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Find u in terms of m,g and v in this equation E = m/2g(v²-u²)

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5kimmie 5kimmie

26-09-2020

Step-by-step explanation:

E = m/2g(v²-u²)

2g×E = 2g×m/2g(v²-u²)

2Eg = m(v²-u²)

2Eg = mv² - mu²

mu²= mv² -2Eg

mu²/m = mv² -2Eg /m

u²= v² -2Eg

u = √v²-√2Eg

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