Advertisements
Advertisements
प्रश्न
What is the relation between distance and time when the body is moving with variable velocity?
उत्तर
When a body moves with variable velocity, then the body covers the unequal distance in an equal interval of time in a specified direction.
APPEARS IN
संबंधित प्रश्न
During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 × 108m s−1.
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously.
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.
Give one example of following motion :
Variable velocity
The speed of a car is 72 km h-1. Express it in m s-1.
A car accelerates at a rate of 5 m s-2. Find the increase in its velocity in 2 s.
Define variable velocity and give one example.
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
