Advertisements
Advertisements
Question
In figure the position of a body times is shown . Calculate the speed of the body as it moves from 0 to A, A to B, B to C and i ts average speed .
Advertisements
Solution
{a) Speed as it moves from o to a = {6 - O)/ {3 - 0 = 2 ms-1.
(b) Speed as it moves from A to B = {6 - 6)/ (5 - 3) = o ms-1.
(c) Speed as it moves from B to c = {14 - 6)/ {8 -5) = 8/ 3 = 2.66 ms-1
APPEARS IN
RELATED QUESTIONS
When is instantaneous speed the same as the average speed?
______ is the distance traversed by a body in a particular direction in unit time.
For a body moving along a circular path, show that:
Linear speed = Angular velocity X radius of the circle
A body covers half the distance with the speed A and the other half with speed B. What will be the average speed for the whole journey?
On a 120 km track, a train travels the first 40 km at a uniform speed of 30 km/h. How fast must the train travel the next 80 km, so as to average 60 km/h for the entire trip.
The correct relation among the following is
Every object moves with a constant speed.
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels at a higher speed?
Why did the actual speed differ from the average, speed?
Distinguish between speed and velocity.
