Home
Class 9
PHYSICS
A train travels with speed 40 km h^(-1) ...

A train travels with speed `40 km h^(-1)` for first 15 minutes and then 60 km h for next 15 minutes, hence its average speed during this time interval is 50 km `h ^(-1).`

Text Solution

Verified by Experts

True
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOTION

    KUMAR PRAKASHAN|Exercise QUESTION IN SHORT |18 Videos

  • MOTION

    KUMAR PRAKASHAN|Exercise STATEMENTS |10 Videos

  • MOTION

    KUMAR PRAKASHAN|Exercise CHOOSE CORECT OPTION |62 Videos

  • GRAVITATION

    KUMAR PRAKASHAN|Exercise ACTIVITY 10.4|2 Videos

  • QUESTION PAPER 01

    KUMAR PRAKASHAN|Exercise SECTION - D|5 Videos

Similar Questions

Explore conceptually related problems

The speed of a motorcycle is 40 km h^(-1) for first 10 minute and 50 km h^(-1) for the next 10 minute, then the average speed of this motorcycle during the 20 minute would be ......... km h^(-1).

What is the average speed of the car if it covers 200 km in 5 h?

The SI unit of speed is km h ^(-1).

A car moves at a velocity 2.24 km h^(-1) in first minute, at 3.60 km h^(-1) in the second minute and at 5.18 km h^(-1) in the third minute. Calculate the average velocity in od car in this interval of time.

A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car. (60 km/h) ( AS_(7))

An object had covered 120 km distance, half of this distance was covered at 20 km h^(-1) speed and the remaining distance at 30 km h^(-1). Then its average speed is said to be 25 km h^(-1) ,

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

A train travels at a speed of 60 km h^(-1) for 0.5 h, 24 km h^(-1) for the next 0.25 h and then 72 kmh^(-1) for the next 0.75 h. Calculate the total distance covered by the train and its average speed.

A train travels at a speed of 60 km h^(-1) for 0.5 h, 24 km h^(-1) for the next 0.25 h and then 72 kmh^(-1) for the next 0.75 h. Calculate the total distance covered by the train and its average speed.

A bus decreases its speed from 80 km h^(-1) to 60 km h^(-1) in 5s. Find the acceleration of the bus.

Home
Profile