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For a fluid element of velocity field V = yi + xtj, the total acceleration at x = y = t = 1 is a. i + j O b. 2i + 27 С. zero o d. 23 е. 21 O f. 2î +3 g. î + 23 h. î

For a fluid element of velocity field V = yi + xtj, the total acceleration at x = y = t = 1 is a. i + j O b. 2i + 27 С. zero o d. 23 е. 21 O f. 2î +3 g. î + 23 h. î

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For a fluid element of velocity field V = yi + xtj, the total acceleration y = t = 1 is at x = O a. i+î i + j а. b. 2î + 2j С. zero O d. 23 е. 2 f. 2i + j g. + 2j O h. i
Transcribed Image Text:For a fluid element of velocity field V = yi + xtj, the total acceleration y = t = 1 is at x = O a. i+î i + j а. b. 2î + 2j С. zero O d. 23 е. 2 f. 2i + j g. + 2j O h. i
A helium plasma with equilibrium electron density noe and equilibrium positive ion density noi. The quasi- neutrality of such a plasma means а. noe noi b. The plasma ions are at rest С. noe and noi follow a Maxwellian distribution d. noi 2noe е. The plasma is at rest f. noe only follows a Maxwellian distribution g. noe : 2noi h. The plasma ions and electrons have screened Coulomb potentials
Transcribed Image Text:A helium plasma with equilibrium electron density noe and equilibrium positive ion density noi. The quasi- neutrality of such a plasma means а. noe noi b. The plasma ions are at rest С. noe and noi follow a Maxwellian distribution d. noi 2noe е. The plasma is at rest f. noe only follows a Maxwellian distribution g. noe : 2noi h. The plasma ions and electrons have screened Coulomb potentials
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