Advertisements
Advertisements
प्रश्न
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Advertisements
उत्तर
When you come home at activa from the market and stops in front of your home. Then the velocity of active decreases with time and its v – t graph will be the same as shown on the figure.
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with a suitable word:
Acceleration is the rate of change of ______ It is measured in ______
What is meant by the term acceleration ? State the SI unit of acceleration.
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
A freely falling object travels 4.9 m in 1st second, 14.7 m in 2 nd second, 24.5 m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of :
A bus increases its speed from 36 km/h to 72 km/h in 10 seconds. Its acceleration is :
Give one example of following motion :
Variable acceleration
A bicycle initially moving with a velocity 5.0 m s-1 accelerates for 5 s at a rate of 2 m s-2. What will be its final velocity?
A stone thrown vertically upwards takes 3 s to attain maximum height. Calculate
- initial velocity of the stone
- maximum height attained by the stone. (Take g = 9.8 ms−2)
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
A girl walks along a straight path to drop a letter in the letterbox and comes back to her initial position. Her displacement–time graph is shown in Fig.8.4. Plot a velocity-time graph for the same.
