A motorist moves along a circular track at 144kmh^(-1). The angle he should make with the vertical if the track is 880 m long is (g= 10ms^(-2))

A motorist moves along a circular track at 144kmh^(-1). The angle he s

1.	A motorist moves along a circular track at 144kmh^(-1). The angle he should make with the vertical if the track is 880 m long is (g= 10ms^(-2))
Answer» `45^(@)` `TAN^(-1)(8)/(7)` `tan^(-1)(7)/(8)` `tan^(-1)(16)/(7)` ANSWER :B