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a sphere wall is 20mm

a sphere wall is 20mm thick, inside diameter is 10M. What is the mass of steel if the density is 7850Kgm3?
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2. asked by Anonymous
3. 556 views
sphere A has a mass of 4.2*10^-2 kg and is tethered to a wall by a thin thread. Sphere a has an excess of 1.2 *10^12 electrons.
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2. asked by josh
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sphere A has a mass of 4.2*10^-2 kg and is tethered to a wall by a thin thread. Sphere a has an excess of 1.2 *10^12 electrons.
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2. asked by ali
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a drop of oil of radius 0-20mm spreads on a circular film of diameter 20mm on the water surface. Estimate the size of molecule.
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2. asked by edward
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A steel block 200mm x 20mm x 20mm is subjected to tensile faro of Gone in the direction of its Length. Determine the change in
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2. asked by Rakesh
3. 483 views
A steel block 200mm*20mm*20mm is subjected to a tensile force of 40kn in the direction of its length.Determine the change in
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2. asked by sushil
3. 1,603 views
A sphere of mass 30.0 kg and radius 0.150 m is attached to a point on a smooth vertical wall by a string of length 0.150 m which
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2. asked by Krishna
3. 485 views
Two spheres of equal mass are thrown against a wall with equal velocities. One sphere rebounds with 75% of its original speed,
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2. asked by Ashley
3. 534 views
In the figure below, a uniform sphere of mass m = 2.50 kg and radius r = 2.4 cm is held in place by a massless rope attached to
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2. asked by Jane
3. 617 views
A sphere weighs 200N resting on a wall. It is supported by a rope 20 degrees from the wall. What will be the tension force on
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2. asked by Jet
3. 1,059 views