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Maan
Questions (2)
the ratio of the price of coffee A to coffee B is 2:3. During a certain month, a store sells coffee A and coffee B in the ratio
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A man's age is 20% more than that of his sister.find the sister's age if the man is 42 years old.
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correct
Eg = 0.045 X 9.81X119 = 62.9 Joul Ek= 1/2 m v^2 = .5 X 0.054 x 48^2 = 62.2 Joul ETotal = 62.9 + 62.2 = 125.1 J Efficiency = 125.1 / 215 = 58 %
Eg = 0.045 X 9.81X119 = 62.9 Joul Ek= 1/2 m v^2 = .5 X 0.054 x 48^2 = 62.2 Joul ETotal = 62.9 + 62.2 = 125.1 J Efficiency = 125.1 / 215 = 58 %
