runner hopes complete 10000 rm m run less 300 rm min after running constant speed
A runner hopes to complete the 10,000 {rm m} run in less than 30.0 {rm min}. After running at constant speed for exactly 27.0 {rm min}, there are still 1100 {rm{ m}} to go.The runner must then accelerate at 0.20 {rm{ m}}/{rm{s}}^2 for how many seconds in order to achieve the desired time?