Question

a roller coaster moves with speed of 90km per hours and covered a distance of 1000m .find the taken to cover the distance in second​

Answer 1

Answer:

40 seconds

Step-by-step explanation:

First we will convert kilometres into metres.

90km = 9000m

1 hour = 60 minutes

= 3600 seconds

DISTANCE TIME TAKEN TO COVER

9000 Mtrs. 3600 seconds

1000 Mtrs. (?)

1000 X 3600

9000

40 seconds