Advertisements
Advertisements
Question
The diagram below shows the pattern of the oil on the road at a constant rate from a moving car. What information do you get from it about the motion of the car.
Advertisements
Solution
Initially as the drops are equidistant, we can say that the car is moving with a constant speed but later as the distance between the drops starts decreasing, we can say that the car slows down.
APPEARS IN
RELATED QUESTIONS
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging?
- from A to B and
- from A to C?
Change the speed of 6 m/s into km/h.
Arrange the following speed in increasing order (keeping the least speed first
A scooter moving with a speed of 30 km/h.
A snail covers a distance of 100 metres in 50 hours. Calculate the average speed of snail in km/h.
Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.
Which of the following can sometimes be 'zero' for a moving body?
(i) average velocity
(ii) distance travelled
(iii) average speed
(iv) displacement
What do you mean by motion in one direction?
Figure shows the displacement of a body at different times .
Calculate the velocity of the body as it moves for time interval :
(i) 0 to 5 s,
(ii) 5 s to 7 s
(iii) 7 s to 9 s.
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
The velocity-time graph of a moving body is given below in Figure
The acceleration in parts AB, BC and CD.
