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to find the volume of an irregular shaped wooden piee a sinker made of steel (relative density = 7.85) having a mass of 157 g was used. if the levels of water before and after immersing the sinker wood ombination are 102 ml and 170 ml respectively then find the volume of woodewn piece
The weight of a rider, driving scooter is assumed to be evenly distributed on both the tyres. The area of contact of each type with the ground is 10 cm2. If the pressure inside the tyres is 3 bar, find the mass of the rider (g = 10 ms−2)
Day after tomorrow is my exam. I have covered all most all the chapters in chemistry. But I am confused that how to revise all chapters just a day before exam. Please help.
Deduce the expression for the electric field E due to a system of two charges q1 and q2 with position vectors r1 and r2 at a point r with respect to common origin.
hello, I am currently designing a machine that will basically replicate the alternator in a car but for electric cars, however I am currently stuck as I need a compound/element that is a liquid at room temperature and has a low boiling point but it also has to not react with copper. thanks.
Male chickens carry two Z sex chromosomes, while female chickens carry one Z sex chromosome and one W sex chromosome. Located on the Z chromosome is a gene for barring. Barred feathers have black and white stripes. The barred trait is dominant to the unbarred trait. Chickens have a fleshy growth on top of the head called a comb. An autosomal trait called rose comb is dominant to a trait called single comb. An unbarred male heterozygous for the rose-comb trait is crossed with a barred female with a single comb. What proportion of the resulting progeny are expected to be barred males with single combs? Give your answer as a fraction or as a decimal to the nearest hundredth.