Question
Starting from A, Paheli moves along a rectangular path ABCDas shown in figure. She takes 2 min to travel each side. Plot a distance-time graph and explain whether the motion is uniform or non-uniform.
Image

Answer

Since, the distance covered per unit time for the entire distance is not same so, the motion is a non-uniform motion.
Image

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

What is heat? How is it transferred from one body to other body? Explain various methods.
The tropical rainforest has a large population of animals. Explain why it is so.
Rahul was observing the sky one evening when he noticed that the Sun appeared to set in the western sky. The next day, his friend told him that the Earth rotates from west to east, which is why the Sun rises in the east and sets in the west. Rahul was curious and asked his teacher how this phenomenon happens.
(i) Why does the Sun appear to rise in the east and set in the west?
(ii) How does the Earth’s rotation affect the appearance of the Sun in the sky?
(iii) What is the reason for the Sun’s movement across the sky?
Soil erosion does not occur easily where the land is covered by vegetation. Do you agree? Explain.
What planning is required in advance to deal with the situation created by a cyclone?
Jaya returned from school and found that grandmother was scolding her maid, Rani as she did not come yesterday. The maid told that his son was passing watery stools frequently that’s why she didn’t come. Jaya’s mother who was listening the discussion came to them and told Rani not to come for coming $3-4$ days. She also suggested her to give his son a solution of sugar and salt in clean water, many times a day for fast recovery. Jaya was surprised. She rushed to her mother and asked the scientific reason for it. Her mother smiled and explained her the importance of this solution.
  1. Name the term used to describe the condition in which a person passes out watery stools.
  2. Name the solution of sugar and salt in water. Why is it given to a person suffering from diarrhoea?
  3. What are the values shown by Jaya?
Discuss the primary stage of sewage treatment.
Explain the physical properties of metals with examples.
A laboratory thermometer is not suitable for measuring human body temperature. Explain why?
Harish went to visit his grandfather in village where he saw that his grandfather’s field of wheat are infected with fungus but no one is aware of this. Harish rushed to his grandfather’s side and told him that the field have been infected with fungi. He should use an antifungal agent in his fields to stop this infection.
  1. What is fungus?
  2. Can fungus only cause diseases or can it be helpful also?
  3. What values are shown by Harish?