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**Answer the following questions;**<br /><br /> 1.The water level in a burette is 45cm

^{3}.If 25 drops of water are let to run out of the burette, what would be the new reading if the volume of each drop is 0.1cm

^{3}?<br /><br /> 2. A tractor has mass of 4.5 tonnes.Calculate it's weight in Newton.(Take g = 10N/kg).<br /><br /> 3.Calculate the pressure in N/m

^{2}at the bottom of a well 10m deep (density of water = 1030Kg/m

^{2}).<br /><br /> 4.Why does atmospheric pressure decrease towards higher altitudes?<br /><br /> 5.The athlete added 20g of glucose to 40cm

^{3}and stirred the mixture. No molecule change in water was observed. Explain.<br /><br /> Good luck!!!<br />

k thanks

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