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Question
Fill in blanks
(a) Force = mass × acceleration, then
momentum=..........
(b) Liquid hydrogen is for rocket, the ............... is for MRI.
(a) Force = mass × acceleration, then
momentum=..........
(b) Liquid hydrogen is for rocket, the ............... is for MRI.
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Solution
(a) Momentum = mass x velocity.Momentum is defined as the product of mass of the body and its velocity.
(b) Liquid helium is for MRI (Magnetic Resonance Imaging). Liquid helium is used to keep the superconducting magnets cool in an MRI machine.
Momentum is defined as the product of mass of the body and its velocity.
(b) Liquid helium is for MRI (Magnetic Resonance Imaging). Liquid helium is used to keep the superconducting magnets cool in an MRI machine.
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