5 نقاط Consider a spherical water droplet in still air falling under gravity. If the radius of the droplet is 25 microns, what is its maximum speed of fall? The density of water is pw = 1000 kg/m3 and the dynamic viscosity of air at 20 •C is 1.8 x 10^-5 kg/m .• S

Q: A solid wooden raft having density 462 kg/m3 and dimensions 4.4 m by 2.9 m by 0.4 m, where the…

A: Density of wooden solid ρ= 462 kg/m3 Dimensions- 4.4m, 2.9 m, 0.4 m Volume needed to be submerged,…

Q: A flat roof is very susceptible to wind damage during a thunderstorm and/or tornado. If a flat roof…

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Q: Queetion: 1. a) What is the terminal velocity of a 100-um diameter spherical particle settling in…

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Q: The terminal speed of a spherical particle falling in a liquid is given by 2R²g 9n V = -(Ps P₁),…

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Q: What force does the water exert (in addition to that due to atmospheric pressure) on a submarine…

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Q: Determine the balance mass (m') or the true mass (m) and the error in the measurement for the four…

A: Given:  da = 0.0012 g/mldw = 8 g/mldtris = 1.33 g/mldNaCl = 2.16 g/mlmtris = 5.0038 gmNaCl = 4.0016…

Q: A 82 kg person stands on snowshoes. If the total area of the 2 snowshoes is 0.36m ^ 2 what is the…

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Q: A lost shipping container is found resting on the ocean floor and complerely submerged.  The…

A: Given that,Length, Breadth & Height of container is 5.9m,2.1m & 2.5 m respectivelyRadus of…

Q: Calculate the resultant force ANGLE relative to progression uring the initial contact phase of gait…

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Q: A cube of volume 3.0 x10-3 m³ (3.0 L) is placed on a scale in air. The scale reads 267 N. What is…

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Q: Turbulence in the aorta is a certainty for a Reynolds number of 3000. Assuming that blood is an…

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Q: 11A). The air speed over the top of a wing needs to be faster than the air speed under the wing.…

A: 11A. Given Pressure difference P2 -P1 = 1000 N/m2 Airspeed under the wing v2  = 60 m/s The density…

Q: Bobbing for apples: the density of an apple is 950 kg/m^3 When you place an apple with volume…

A: Density of apple,  Density of water,  Volume of apple in water,

Q: A glass capillary of diameter 0.30 mm dipped in an olive oil (p=0.903 g/cm³) of surface tension 32…

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Q: If the balloon is perfectly spherical, calculate it's diameter provided the following values: M =…

A: the bouancy on balloon will be equal to the weight of climber and balloon

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Q: q23 The Thomson Reservoir is the biggest of Melbourne's fresh-water storages. What is the increase…

A: Depth = h = 64 m Pressure = Pa= 101.3 kpa

Q: A large spherical air balloon is filled with helium. If the balloon is to support (meaning produce a…

A: Ans. (c) 3.8 m

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Q: A 2.7-carat diamond is grown under a high pressure of 58 x 10⁰ N/m². One carat equals 0.200 g. Use…

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.