Question

a car travels 30km per hour for 10 minutes and 40 km per hour for 5 minutes. Calculate the distance travelled average speed and average of speed​.

Answer 1

Hey there this is your answer...!!!

ANSWER

The total time for the journey is given as,

t=

v

1

d

1

+

v

2

d

2

=

40

30

+

20

30

=2.25hour

The average speed is given as,

v

avg

=

t

d

1

+d

2

=

2.25

30+30

=26.67km/h

Thus, the average speed of the car is 26.67km/h.

hope this helps you...!!!