What happens to projectile when it dissociates in air?
Q: When a person inhales, air moves down the windpipe at 15 cm/s. Where the windpipe tightens, the…
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Q: What is the acceleration of a rising hot-air balloon if the ratio of the air density outside the…
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Q: A person does the back float in a freshwater lake and later does the same in the ocean. In which…
A: The body will float on the surface of liquid if the Buoyant force applied by liquid on the bottom…
Q: Under what conditions would a metal sphere dropping through a viscous liquid be in equilibrium?
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Q: A piece of wood of relative density 0.75 floats in a river, what fraction of the volume remains…
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Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…
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Q: Please isolate the body separately and draw instead over overdrawing on the figure. Thank you very…
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Q: Akiko Tam, a swimming champion whose mass is 60 kg stands on a rectangular swimming raft 3.0 m long…
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Q: Find the center of mass of a laminate bounded by y=−x,y=x,y=2 with variable density modeled by \rho…
A: The objective of the question is to find the center of mass of a laminate with variable density. The…
Q: Why is rifle bullet made cylindrical?
A: A rifle bullet is not completely cylindrical. It is a combination of cone and cylinder.
Q: If the settling velocity of a sphere of gold (density=19.5 kg/m³) is 1.2 m/s in a viscous liquid…
A: Given density of gold = ρg =19.5 kg/m3 setting velocity for gold = vg = 1.2 m/sdensity of viscous…
Q: There is an issue with the toilets at school. If the water is coming out at 5.0 m/s, how much water…
A: Velocity of water coming out (v) = 5 m/s Mass of person (m) = 95kg
Q: Water flows out of a spigot at the bottom of a very wide storage tank at a velocity of 11.7 m/s?…
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Q: If you punch a hole in a container filled with water, in what direction does the water initially…
A: The water will flow straight out of the container perpendicular to the walls of the container.
Q: What is more elastic: water or air?
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Q: A container has a hole with a diameter of 1.8 cm^2 at the bottom. Through the hole goes 280 cm^3 of…
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Q: A rifle bullet is cylindrical. Why?
A: Bullet needs some properties like minimum time of flight, minimum dispersion, maximum retained…
Q: If a glass of water is on a table with a piece of paper under it, it is relatively easy to pull the…
A: to explain : If a glass of water is on a table with a piece of paper under it, it is relatively easy…
Q: A wooden cube 12 cm in each direction is floating so that 56% of it is under fresh water water. What…
A: Given data- length of cube box L=12 cm it is under fresh water=56% density of fresh water=1000 kg/m3
Q: A glass capillary of diameter 0.30 mm dipped in an olive oil (p=0.903 g/cm³) of surface tension 32…
A: Diameter of the tube is d = 0.3×10-3 m Density of the liquid is , ρ = 0.903 ×(10-3/10-6) = 9.03×102…
Q: How high would you have to go in the atmosphere for half of the mass of air to be below you?
A: Atmospheric pressure decreases with increasing height. The half of the atmospheric molecules are…
Q: What fraction of the iron cube’s volume floats above the surface of the mercury?
A: Given data: The density of iron is: ῤiron = 7874 kg/m3 The density of mercury is: ῤmercury =…
Q: A piece of iron sinks in water , but a ship made of iron floats in water. Why?
A: This phenomenon can be understand using Archimedes’ Principle according to which when a body…
Q: A balloon filled with helium doesnot rise in air indefinitely but halts after a certain height.…
A: When a balloon filled with helium gas, a pressure starts developing inside the balloon. This causes…
Q: A small crack occurs at the base of a 13.0m high dam. The effective area through which water leaves…
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Q: as far an capillary action concern the Liquid of high density has curved surface. O True False оо
A: as for an capilary action concer the liquid of high density has curved surfaces. FALSE
Q: Discuss the motion of the bead according to the equation of motion q¨2 − ω2sin2α q = −g cos α as…
A: This problem deals with Newton's law of motion and its application for a bead rotating about an…
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