Question

A train travels 210 km in 2h 20 min. What is its speed in m/s​

Answer 1

Step-by-step explanation:

$210km {h}^{ - 1} \\ \\ so \: m {s}^{ - 1} \: value \: will \: be = > \\ \\ 210 \times \frac{1000}{3600} \\ 210 \times \frac{5}{18} \\ \frac{70 \times 5}{6} \\ \frac{35 \times 5}{3} \\ 58.333$

Answer 2

D=210km into m

=210×1000

=210,000m

T=2h 20min into s

= 60×60+60×20

=3600+1200

=4800s

Speed = D/T

= 210,000m/4800s

=43.75m/s

Hope it Help you........