Advertisements
Advertisements
प्रश्न
Give an example of the motion of a body moving with a constant speed but with a variable velocity. Draw a diagram to represent such a motion.
Advertisements
उत्तर
The motion of a body in a circular path with uniform speed has a variable velocity because in the circular path, the direction of motion of the body continuously changes with time.
APPEARS IN
संबंधित प्रश्न
What does the odometer of an automobile measure?
Arrange the following speed in increasing order (keeping the least speed first):
A bicycle moving with a speed of 200 m/min.
If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How long does it take to travel 240 m ?
The tip of seconds’ hand of a dock takes 60 seconds to move once on the circular dial of the clock. If the radius of the dial of the clock be 10.5 cm, calculate the speed of the tip of the seconds’ hand of the clock. `("Given" π= 22/7)`.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is the speed of the car?
A car accelerates at a rate of 5 m s-2. Find the increase in its velocity in 2 s.
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.
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
Distinguish between speed and velocity.
