Question

A motorist covered a distance of 720km in 10 hours. What was his speed in metres per second?

Answer 1

Answer:

speed = distance ( d/t)

time

Step-by-step explanation:

distance ( m )

time ( s)

720km

10hr

720 Kilometers = ( 720 × 1000 ) =

720,000 Meters

10 hrs = ( 10 hrs × 60 min × 60 sec ) =

1 1 hrs 1 min

1 hrs = 60 min

1 min = 60 sec

10 hours = ( 10 × 60 × 60 ) =

36,000

so ; 720,000m

36,000 sec

= 20 m/s^2

PLS I HOPE MY ANSWER IS USEFUL