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A solid spherical bead of lead (uniform density = 11000 kg/m3) of diameter d = 0.1 mm sinks with a constant velocity V in a large stagnant pool of a liquid (dynamic viscosity = 1.1 x 10-3 kg × m-1 × s-1 ). The coefficient of drag is given by , where the Reynolds number (Re) is defined on the basis of the diameter of the bead. The drag force acting on the bead is expressed as , where ρ is the density of the liquid. Neglect the buoyancy force. Using g = 10 m/s2 , the velocity V is __________ m/s.
  • a)
    1/24
  • b)
    1/6
  • c)
    1/18
  • d)
    1/12
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A solid spherical bead of lead (uniform density = 11000 kg/m3) of diam...
Given :
Density of spherical bead, ( ρspehrical bead) 11000 kg/m3
Diameter, (d ) = 0.1 mm
Dynamic viscosity, (μ) 1.1x 10-3 kg/m-sec
Coefficient of drag,

Neglect Buoyancy force (FB = 0)

FD + FB = Weigth of spherical bead

Hence, the correct option is (C).
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A solid spherical bead of lead (uniform density = 11000 kg/m3) of diameter d = 0.1 mm sinks with a constant velocity V in a large stagnant pool of a liquid (dynamic viscosity = 1.1 x 10-3 kg × m-1 × s-1 ).The coefficient of drag is given by,where the Reynolds number (Re) is defined on the basis of thediameter of the bead. The drag force acting on the bead is expressed as,whereρ is the density of the liquid. Neglect the buoyancy force. Using g = 10 m/s2 , the velocity V is __________ m/s.a)1/24b)1/6c)1/18d)1/12Correct answer is option 'C'. Can you explain this answer?
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A solid spherical bead of lead (uniform density = 11000 kg/m3) of diameter d = 0.1 mm sinks with a constant velocity V in a large stagnant pool of a liquid (dynamic viscosity = 1.1 x 10-3 kg × m-1 × s-1 ).The coefficient of drag is given by,where the Reynolds number (Re) is defined on the basis of thediameter of the bead. The drag force acting on the bead is expressed as,whereρ is the density of the liquid. Neglect the buoyancy force. Using g = 10 m/s2 , the velocity V is __________ m/s.a)1/24b)1/6c)1/18d)1/12Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A solid spherical bead of lead (uniform density = 11000 kg/m3) of diameter d = 0.1 mm sinks with a constant velocity V in a large stagnant pool of a liquid (dynamic viscosity = 1.1 x 10-3 kg × m-1 × s-1 ).The coefficient of drag is given by,where the Reynolds number (Re) is defined on the basis of thediameter of the bead. The drag force acting on the bead is expressed as,whereρ is the density of the liquid. Neglect the buoyancy force. Using g = 10 m/s2 , the velocity V is __________ m/s.a)1/24b)1/6c)1/18d)1/12Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A solid spherical bead of lead (uniform density = 11000 kg/m3) of diameter d = 0.1 mm sinks with a constant velocity V in a large stagnant pool of a liquid (dynamic viscosity = 1.1 x 10-3 kg × m-1 × s-1 ).The coefficient of drag is given by,where the Reynolds number (Re) is defined on the basis of thediameter of the bead. The drag force acting on the bead is expressed as,whereρ is the density of the liquid. Neglect the buoyancy force. Using g = 10 m/s2 , the velocity V is __________ m/s.a)1/24b)1/6c)1/18d)1/12Correct answer is option 'C'. Can you explain this answer?.
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