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
Name the quantity which is measured by the area occupied under the velocity-time graph.
Fill in the following blank with suitable word :
If a body moves with uniform velocity, its acceleration is ..............
Describe the motion of a body which is accelerating at a constant rate of 10 m s–2. If the body starts from rest, how much distance will it cover in 2 s ?
Give one example of following motion :
Variable acceleration
The velocity-time graph of a body in motion is a straight line inclined to the time axis. The correct statement is ___________
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Area under a v – t graph represents a physical quantity which has the unit
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.
An object starting from rest travels 20 m in the first 2 s and 160 m in the next 4 s. What will be the velocity after 7 s from the start?
An electron moving with a velocity of 5 × 104 ms−1 enters into a uniform electric field and acquires a uniform acceleration of 104 ms–2 in the direction of its initial motion.
(i) Calculate the time in which the electron would acquire a velocity double of its initial velocity.
(ii) How much distance the electron would cover at this time?
