The radius of sphere is 2r then its volume is

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August undefined, 2024

WebbGiven, the radius of a sphere is 2r. The volume of a sphere = (4/3) × (radius)3. Thus, the volume of the given sphere = (4/3) × π × (2r)3 = (4/3) × π × 8 × r3 = (32 π r3/3) Hence, … WebbThe volume of the pyramids is: 8 ⋅ 1 3r2 ⋅ r = 8 3r3, and then we can calculate that the bicylinder volume is (2r)3 − 8 3r3 = 16 3 r3. Finally, using the ratio of the volumes of the bicylinder and the sphere from above, the sphere's volume is π 416 3 r3 = 4π 3 r3. Now you can see that 3 is from the pyramids and 4 is from the cube!

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WebbAnswer (1 of 4): volume of sphere is V=4/3pi*r^3, so if radius is doubled, V1=4/3pi*(2r)^3=8*4/3pi*r^3=8V=800%V, so the volume will increase by 7 times, or by 700% WebbThe radius of a sphere is 2r, then its volume will be _____. Options `4/3 pir^3` `4pir^3` `(8pir^3)/3` `32/3pir^3` Advertisement Remove all ads. Solution Show Solution. The radius of a sphere is 2r, then its volume will be `32/3pir^3`. Explanation: Given, the radius of a … how many square miles is lithuania

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WebbQuestion If the radius of a sphere is doubled, then what is the ratio of their volumes? Easy Solution Verified by Toppr Let the original radius be r so the original volume = 34πr 3 New radius = 2r so, new volume = 34π(2r) 3= 34π(8r 3) Ratio = 34π(8r 3) 34πr 3 = 81 so ratio = 1:8 Was this answer helpful? 0 0 Similar questions Webb4 aug. 2024 · $\begingroup$ Try thinking of the sphere as covered with lines of latitude and longitude, like a globe, but very finely, so the little areas are almost plane. Now inflate the sphere. The areas will all tear apart like postage stamps and these tears will expose a bit more of the area. It has to be the case that the new area exposed is $8\pi r\;dr$, and it … Webb31 mars 2024 · Now, we have been given that the radius of the sphere is ‘2r’. We know that the volume of a sphere with radius ‘R’ is given by the formula: V o l u m e = 4 3 π R 3 … how many square miles is laos

the radius of a sphere is 2r then its volume will be

Webb3 apr. 2024 · Find the volume of the sphere whose radius is 2r? Geometry 1 Answer marfre Apr 3, 2024 V = 32 3 πr3 Explanation: Given: sphere with radius = 2r Volume equation: V = 4 3 πr3 Given sphere volume: V = 4 3 π(2r)3 = 4 3π23r3 = 4 3π8r3 = 32 3 πr3 Answer link Webb8 apr. 2024 · The volume of a sphere is the three-dimensional space occupied by a sphere. This volume depends on the radius of the sphere (i.e, the distance of any point on the surface of the sphere from its center). If we take the cross-section of the sphere then the radius can be calculated by reducing the length of the diameter to its half. how did the afghans beat russiaWebbFör 1 dag sedan · The radius of a sphere is 2r, then its volume will be (a) 4/3 πr3 (b) 4πr3 (c) 8/3 πr3 (d) 32/3 πr3 14. The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratio of the surface areas of the balloon in the two cases is (a) 1:4 (b) 1:3 (c) 2:3 (d) 2:1 15. how many square miles is latvia

"WebbPerimeter of sector $= 2r + l = 2(10) + 12.56 = 32.56$ feet. Find the arc length of a sector having a radius of 5 feet and a central angle of $120^\circ$. Solution: The radius of sector $= r = 5$ feet. Angle of sector $= \theta = 120^\circ$ The length of the arc “l” of the sector with angle is given by; " - The radius of sphere is 2r then its volume is

The radius of sphere is 2r then its volume is

Webb20 dec. 2024 · If the radius of a sphere is 2r, then its volume will be - 31562562. joelsiby313 joelsiby313 21.12.2024 Math ... A s,r = 2r . volume.of sphere = 4/3"(2r)3= 32/3"r3 . Advertisement Advertisement New questions in Math. Five less than twice Michelle’s present age is equal to Jasmine’s present age. Webb8 apr. 2024 · And if the diameter of the sphere = 2r, then the surface area of the sphere = 4πr 2 square units. The area of a sphere is only expressed in square units, like m 2 , in 2 , …

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WebbIf the radius of a sphere is 14 cm, then find its surface area. A cricket ball with radius ‘r’ cm and a basketball with radius ‘4r’ have volume in the ratio of? Metallic spheres of radii 3 cm, 4 cm and 5 cm, respectively, are melted to form a single solid sphere. Find the radius of the resulting sphere. Webb23 okt. 2024 · answered The radius of sphere is 2r then find its volume Advertisement Loved by our community 33 people found it helpful saurabhsemalti for radius =r v= (4/3)π (rrr) for r=2r v= (4/3)π*8rrr it's correct !? that i... why i think this is wrong See more comments Find Math textbook solutions? Class 12 Class 11 Class 10 Class 9 Class 8 …

Webb21 aug. 2024 · Explanation: Given, the radius of a sphere is 2r. The volume of a sphere = (4/3) × (radius)3 Thus, the volume of the given sphere = (4/3) × π × (2r)3 = (4/3) × π × 8 × … WebbIf the radius of a sphere is 2r, then its volume will be: A) 4 3πr3 B) 4πr3 C) 8 3πr3 D) 32 3πr3 Solution The answer is D. Given, radius of a sphere = 2r Volume of a sphere = 4 …

Webb19 nov. 2024 · Answer 7 people found it helpful AsmitaJha If the radius of a sphere is 2r then, its volumr will be --- 4/3Π (2r)^3 Hope this answer helps you! Find Math textbook … WebbA small spherical pith ball of radius 0.50 cm is painted with a silver paint and then -10 C of charge is placed on it. The charged pith ball is put at the center of a gold spherical shell of inner radius 2.0 cm and outer radius 2.2 cm. (a) Find the electric potential of the gold shell with respect to zero potential at infinity, (b) How much charge should you put on the gold …

WebbEasy Solution Verified by Toppr Given that, Radius of the sphere =3r Volume of the sphere = 34πR 3 = 34π(3r) 3 = 34π27r 3 =36πr 3 Was this answer helpful? 0 0 Similar questions The radius of a sphere is 2 r, then find its volume. Easy View solution > The radius of a sphere is 2r, then its volume will be: Medium View solution > View more

WebbStep 3: The charge density of the sphere is uniform and given by ()3 QQ V43a ρ π == (4.1) where V is the volume of the sphere. The charge distribution divides space into two regions, 1. ra≤ 2. ra≥ . Region 1: Consider the first case where ra≤ . Step 4a: We choose our Gaussian surface to be a sphere of radius , as shown in Figure 4.1 ... how did the afghan war startWebbThe correct option is D 8 timesInitial radius = rFinal radius = 2rInitial Volume = 4 3πr3Final volume = 4 3π(2r)3Ratio will be equal toFinal Volume Initial Volume = 4 3π(2r)3 4 3πr3 = 8. Suggest Corrections. 1. how did the adirondacks formWebbThe formula for the volume of a sphere is V = 4/3 π r³, where V = volume and r = radius. The radius of a sphere is half its diameter. So, to calculate the surface area of a sphere given the diameter of the sphere, you can first calculate the radius, then the volume. Created by Sal Khan and Monterey Institute for Technology and Education. Sort by: how did the adirondack mountains formWebbEasy Solution Verified by Toppr Given that, Radius of the sphere =3r Volume of the sphere = 34πR 3 = 34π(3r) 3 = 34π27r 3 =36πr 3 Was this answer helpful? 0 0 Similar questions The volume of a sphere of radius r is: Medium View solution > The radius of a sphere is 2r, then its volume will be: Medium View solution > View more More From Chapter how did the addams family become deadWebb3 apr. 2024 · Explanation: Given: sphere with radius = 2r. Volume equation: V = 4 3 πr3. Given sphere volume: V = 4 3 π(2r)3 = 4 3π23r3 = 4 3π8r3 = 32 3 πr3. how many square miles is liechtensteinWebb21 dec. 2024 · The radius of a sphere is 2r, then its volume will be Education Wiz (MATHS SIMPLIFIED) 1.98K subscribers Subscribe 2.6K views 1 year ago Class 10 Mathematics … how many square miles is long beach island njWebbhave r/2r where r is the gravitating mass contained in a sphere of the radius r. r therefore increases monotonically with increasing r. If the mass density is to be finite in the region around r = 0 then r has to decrease in that region at least as fast as r3 and a at least as fast as r2. Under these conditions the two how many square miles is long island