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.
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
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
What is the SI unit of retardation ?
A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km/h ?
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How far does it travel in 6 seconds ?
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously.
When is a body said to be in motion?
A car travels the first 30 km with a uniform speed of 60 km h-1 and the next 30 km with a uniform speed of 40 km h-1. Calculate :
The total time of journey,
The average speed of the car.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is the speed of the car?
Give two examples of uniform circular motion from your daily life.
Derive th e equation of motion.
S = ut+ `1/2` at2,
Where the symbols have their usual meanings