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To determine the total cost of 5 kg at 9p per 1 kg, you would multiply the cost per kg by the total weight. In this case, 9p per 1 kg is equivalent to £0.09 per kg. Therefore, the cost of 5 kg at this rate would be £0.09 x 5 = £0.45.
Well, darling, the object with a greater mass of 5 kg will have a greater gravitational potential energy compared to the object with a measly 2 kg. It's simple physics, honey. So, if you're looking to lift something heavy, go for the 5 kg option and show off those muscles!
1/5 kg
density (usually written Rho) is a ratio of mass by volume (Rho = m/Vol)Standart international units are Kg/m3 (cubic meters)1 liter is equivalent to 1dm3 or 1/1000m3 = 0,001 m310 liters are then equivalent to 1/100 m3 = 0,01 m3so density in your case is Rho = 5/0,01 = 500kg/m3You can as well use other units for exemple in your case densitycan also be expressed in kg/L : Rho = 5/10 = 0,5 kg/L
5 kg