The density of a sonometer wire of radius 0.3mm is 7800 kgm-3 Find its linear density
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The density of a sonometer wire of radius 0.3mm is 7800 kgm-3 Find its linear density.
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- Question A standard 1 kilogram weight is a cylinder 44.5 mm in height and 54.0 mm in diameter. What is the density of the material? kg/m³A hot air balloon has a volume 3,248 m3 . It is filled with hot air of density 0.96 kg/m 3 . The total mass of cabin, envelope etc is 336 kg. Find the maximum load of the balloon in Newtons if the density of surrounding air is 1.29kg/ m3 Use g = 9.8 m/s2 Calculate answer to one decimal.L (a) The heart pumps blood into the aorta at a rate of 4 . Calculate the average speed of blood if min the aorta's diameter is 2.1 cm. 1155 V blood cm S (b) The aorta branches many times until the blood finally reaches the smallest branch: the capillaries. Each capillary has an average diameter of 6.9 μm and the blood slows down to 0.5 the number of capillaries in the body. Does this answer look reasonable? mm Calculate . S n 1840 caps capillaries (c) For what duration of time is a red blood cell in a capillary if the average capillary length is 1 mm? t = 0.0867 S
- what is the mass of copper sphere with radius of 1 in? Express this quantity in units of gram. The specific gravity of copper is 8.95.A block of wood floats in fresh water with 0.664 of its volume V submerged and in oil with 0.885 V submerged. Find the density of (a) the wood and (b) the oil. (a) Number (b) Number i Units UnitsA hot air balloon has a volume 3,248 m3 . It is filled with hot air of density 0.96 kg/m 3 . The total mass of cabin, envelope etc is 336 kg. Find the maximum load of the balloon in Newtons if the density of surrounding air is 1.29kg/ m3 Use g = 9.8 m/s2 Calculate answer to one decimal.
- Determine the thickness of a hollow aluminum sphere with a mass of o.35g and has an outer radius of o.50 cm if the density of the aluminum is 2700kg/m^3.Assume that a raindrop has a volume of 0.05 cm^3 and you need an Avogadro's number of raindrops to fill up the cubic water tank. What is the length of the edge of the tank?