Question: Two spheres are cut from a certain uniform rock. One has radius 4.40 cm. The mass of the other is two times greater. Find its radius. Answer: cm.

Q: A single-scoop ice cream cone is a composite

A: Radius of the sphere is r=1.58 in Height of the solid cone is h0=4 in Radius of the solid cone is…

Q: A right circular cylinder having a radius of 2.0 cm and a height 5.0 cm is cut from a copper cube (ρ…

A: Given: Radius of cylinder (r) = 2 cm. Height of cylinder (h) = 5 cm. Side of cube (a) = 5 cm.…

Q: Two spheres are cut from a certain uniform rock. One has radius 4.45 cm. The mass of the other is…

A: Given data:  Radius of sphere 1 (r1) = 4.45 cm Mass of sphere 2 (m2) = 6 m1 Required: The radius of…

Q: A silver sphere with a radius of 5.2 cm weighs the same as a certain aluminum cube. How long are the…

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Q: Iron has a density of 7.87 g/cm3, and the mass of an iron atom is 9.27 * 10-26 kg. If the atoms are…

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Q: Grains of fine California beach sand are approximately spheres with an average radius of 50.0 μm and…

A: Formula for the surface area of a cube is:

Q: Iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of an iron atom is 9.27 ×…

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Q: An approximately circular lake has a diameter of 25 km.  You measure the depth at several throughout…

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Q: What is the volume of a hollow cylinder with radius r, wall thickness d (d<r) and length L? (Hint:…

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Q: Grains of fine California beach sand are approximately spheres with an average radius of 70 μ m and…

A: Volume V = 1 m3Mass m = 2600 kgDensity of silicon dioxide ρ = m / V= 2600 kg / m 3Radius of sane r =…

Q: two spheres are cut from a certain uniform rock. one has radius 4.50cm. the mass of the second…

A: Radius of one sphere is, r1 = 4.50 cm

Q: What mass of a material with density r is required to make a hollow spherical shell having inner…

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Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and…

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Q: The density of the Earth can be expressed by the equation density = C{1.22 -(r/R)}, where R is the…

A: The mass can be represented as, M=∫0RρdV=∫0RC1.22-rR4πr2drM=4πC∫0R1.22r2-r3RdrM=4πC1.22r33-1Rr440R

Q: A silver sphere with a radius of 9.9 cm weighs the same as a certain aluminum cube. How long are the…

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Q: A climber who is 75 kgs in mass reaches the peak of a mountain. If the mutual attraction between the…

A: Given: The mass of the climber is 75 kg. The gravitational force between the climber and the earth…

Q: Two spheres are cut from a certain uniform rock. One has radius 4.25 cm. The mass of the other is…

A: The expression for find density of material is ρ=mV=m43πr3 The spheres are cut from the same uniform…

Q: The radius of an atom of gold (Au) is about 1.35 Å. How many gold atoms would have to be lined up to…

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Q: Three spheres are cut from a certain uniform rock. The two spheres have a radius 4.50 cm. The mass…

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Q: A silver sphere with a radius of 5.8 cm weighs the same as a certain aluminum cube. How long are the…

A: radius of silver sphere (r) = 5.8 cm density of silver (d1) =10.49 gcm3density of aluminum  (d2)=…

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and…

A:

Q: Earth is approximately a sphere of radius 6.37 × 106 m. What are (a) its circumference, (b) its…

A: Given  Radius of sphere,R  = 6.37× 106 m  Circumference of sphere is,C  Surface area of sphere is, S…

Q: The volume of a solid cylinder is given by V = pr2h, where r is the radius and h is the height. You…

A: Given data; radius r=0.036 (cm); height h=12.1 (cm); So formula for the volume of the cylinder is…

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 m and…

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Q: How long a piece of wire would you need to form a circular arc subtending an angle of 1.2 rad , if…

A: Write the expression for arc length