Advertisements
Advertisements
प्रश्न
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
What is its average speed ?
Advertisements
उत्तर
We have :
Distance (d) = 150 m
Time (t) = 5s
So, we can calculate average the speed as :
Avearge Speed = `" Total distance travelled"/"time"`
Average Speed for the entire journey :
= `150/5`
= 30 m/s
APPEARS IN
संबंधित प्रश्न
What is the Differnece between speed and velocity ?
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km/h ?
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is velocity of the car?
A car is moving in a straight line with speed 18 km h-1. It is stopped in 5 s by applying the brakes. Find:
- the speed of car in m s-1
- the retardation and
- the speed of car after 2 s of applying the brakes.
Draw the shape of the velocity-time graph for a body moving with (a) Uniform velocity and (b) Uniform acceleration.
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.

A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
Define average velocity and give one example.
Distinguish between speed and velocity.
