Science and Mathematics for Engineering 6th Edition by John Bird

Exercise 24

Evaluate $\mathrm { B }$ , correct to 3 significant figures, when $\mathrm { W } = 7.20 , \mathrm { v } = 10.0$ and $\mathrm { g } = 9.81$ , given that
$$\mathrm { B } = \frac { \mathrm { Wv } ^ { 2 } } { 2 \mathrm {~g} }$$