Question

convert the given speed into km/h : 1) 10m/s 2) 3.5m/s​

Answer 1

1) 10×5/18

=5×5/9

=25/9

=2.77 m/s

2) 3.5×5/18

=35/10×5/18

=35/2×1/18

=35/36

=0.97m/s

hope it helps you.