Advertisements
Advertisements
प्रश्न
Give one example of following motion :
Variable velocity
Advertisements
उत्तर
Example of variable velocity: A ball dropped from some height is an example of variable velocity.
APPEARS IN
संबंधित प्रश्न
What is the Differnece between speed and velocity ?
In addition to speed, what else should we know to predict the position of a moving body ?
A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km/h ?
The graph given alongside shows how the speed of a car changes with time:
(i) What is the initial speed of the car ?
(ii) What is the maximum speed attained by the car ?
(iii) Which part of the graph shows zero acceleration ?
(iv) Which part of the graph shows varying retardation ?
(v) Find the distance travelled in first 8 hours.
Which of the following can sometimes be 'zero' for a moving body?
(i) average velocity
(ii) distance travelled
(iii) average speed
(iv) displacement
Which of the following could not be a unit of speed?
Express the following in m s−1.
1 km h−1
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.
What is the relation between distance and time when the body is moving with variable velocity?
Define speed of a body.
