Question
The gravitational potential in a region is given by V = (3x + 4y + 12z) J/kg. The modulus of the gravitational field at (x = 1, y = 0,z = 3) is
Options :
20 N kg⁻¹
13 N kg⁻¹
12 N kg⁻¹
5 N kg⁻¹
Answer :
13 N kg⁻¹
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