Question

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

A) 180 m/s B) 90 m/s C) 50 m/s D) 100 m/s

Answer 1

Distance = 342 km

= 342000 m

Time = 1.9 km

=1.9*3600 s

=6840 s

Average speed = 342000/6840 m/s

= 50 m/s