Answer;
= 10.4 sec
Explanation and solution;
Average velocity = Total distance traveled/Total time
Total distance traveled = 3.1 * 29 + 1.2(T) = 89.9 + 1.2T
where
T = walking time of golfer
Total time = 29 + T
and substituting appropriately into Equation 1
2.6 = (89.9 + 1.2T)/(29 + T)
Simplifying the above,
2.6(29 + T) = 89.9 + 1.2T
75.4 + 2.6T = 89.9 + 1.2T
1.4T = 14.5
T = 10.4 sec.
