Advertisements
Advertisements
प्रश्न
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.

Advertisements
उत्तर
Displacement in first 4s = 10 m
Therefore, the average velocity = `"Displacement"/"time"`
= `(10/4)` m/s
= 2.5 m/s-1
APPEARS IN
संबंधित प्रश्न
What is the Differnece between speed and velocity ?
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
Bus X travels a distance of 360 km in 5 hours whereas bus Y travels a distance of 476 km in 7 hours. Which
bus travels faster ?
Arrange the following speed in increasing order (keeping the least speed first):
An athlete running with a speed of 10 m/s.
An aircraft travelling at 600 km/h accelerates steadily at 10 km/h per second. Taking the speed of sound as 1100 km/h at the aircraft’s altitude, how long will it take to reach the ‘sound barrier’ ?
A train starting from rest moves with a uniform acceleration of 0.2 m/s2 for 5 minutes. Calculate the speed acquired and the distance travelled in this time.
When is a body said to be in motion?
Which of the quantity-velocity or acceleration-determines the direction of motion?
Express 15 m s-1 in km h-1.
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.
