Question

3. In the hare-tortoise race, the hare ran for 2 min at a
speed of 7.5 km/h, slept for 56 min and again ran for
2 min at a speed of 7.5 km/h. Find the average speed
of the hare in the race.
4. A bus takes 8 hours to cover a distance of 320 km.
What is the average speed of the bus?
5. The maximum speed of a train is 80 km/h. It takes
10 hours to cover a distance of 400 km. Find the ratio
of its maximum speed to its average speed.
6. An object moves through 10 m in 2 minutes and next
10 m in 3 minutes. Calculate its average speed.​

Answer 1

answer 3. in attachment - pura picture aaya hi nahi , par samajh lena !

ans4.

Simply use velocity = distance over time

V = 320km/8h = 40km/h

Translate that to m/s would be a simple unit conversion:

(40km)/h * (1000m/1km) * (1h)/(3600s) = 11.11m/s

ans.5 ( shayad )

3:2. or 9:4

ans 6.

59 votes

average speed = total distance / total time taken

=10+10/2+3

=20/5

= 4 

Answer 2

Answer:

but if you inbox someone then for sometime his inbox open so can you please sent me any message on inbox