Problem: In conservative potential coordinates , the Hamilton operator of a free particle moving in a spherical '' U '' can be written .
In spherical coordinates the Hamiltonian of a free particle moving in a conservative potential '' U '' can be written
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A: no

Problem: She sailed via Sydney and arrived in Rio de Janeiro on 14 September .
She sailed over Sydney and arrived on 14 September in Rio de Janeiro .
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A: yes

Problem: For example , the National Municipal League ( originally the National Civic League ) encourages effective management of local government .
For example , the National Civic League ( originally the National Municipal League ) promotes an effective management of the local government .
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A:
no