The radius of sphere is 2r then its volume is
Webb24 mars 2024 · The radius of a sphere is 2r, then its volume will be `32/3pir^3`. Explanation: Given, the radius of a sphere is 2r. Volume = 4/3 π(2r)³ = 4/3 π(8r³) = 32πr³/3 cubic units. … 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 × …
The radius of sphere is 2r then its volume is
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Webb24 sep. 2015 · Let the ratio of height to radius be ρ, then h = ρ r. The volume of the cylinder is V = π r 2 h = π ρ r 3. The surface area of the cylinder with closed ends is A = 2 π r h + 2 π r 2 = 2 π ρ r 2 + 2 π r 2 = 2 π r 2 ( 1 + ρ) hence r = A 2 π ( 1 + ρ) So the problem is now to find ρ which maximises the volume: V ( ρ) = π ρ ( A 2 π ( 1 + ρ)) 3 / 2 WebbThe 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.
WebbThe radius of a sphere is 2r, then its volume will be Answer: (D) (32πr3)/3 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 × r3 = (32 π r3/3) Hence, option D is the correct answer. Was This helpful? 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
WebbIf the diameter of the sphere = 2r, then the surface area of the sphere = 4πr 2 square units. The area of a sphere is always expressed in square units, like m 2 , in 2 , cm 2 , yd 2 , etc. … 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 …
Webbhave 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
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 … philosophy snow angel glazed body souffleWebbThe 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 … philosophy social scienceWebbQuestion 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 philosophy society good answersWebbThe 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! t shirt printing irvingWebbIf 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. philosophy soap and waterWebbStep 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 ... t shirt printing in ypsilantiWebbDescribe what happens to the: flux through the surface if 2) The radius of the sphere is doubled Our teacher said the electric flux will not change 3) The shape of the surface is changed to that of a cube Also the electric flux will not change So why the electric flux changed in question 1 but in question 2 did not change? philosophy snow angel holiday gift set