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
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
Arrange the following speed in increasing order (keeping the least speed first
A scooter moving with a speed of 30 km/h.
When is a body said to be in motion?
Give one example of following motion :
Uniform velocity
Give one example of following motion :
Variable velocity
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.
Draw the shape of the velocity-time graph for a body moving with (a) Uniform velocity and (b) Uniform acceleration.
Define variable velocity and give one example.
A speeding car changes its velocity from 108 kmh−1 to 36 kmh−1 in 4 s. Calculate its deceleration in
- ms−2
- kmh−2.
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?
