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4 lip 2022 · Between two given positions, distance travelled can never be less than the displacement. Speed and Velocity. Speed of a body is a measure of rate of motion of the body. It is equal to distance travelled by the body in unit time. It is measured in m/s or cm/s or km/h.
10 cze 2023 · NCERT Solutions for Class 9 Science Class 9 Science Chapter 7 Motion provides detailed answers for all in-text and exercise Questions. These solutions contain an in-depth explanation of each topic involved in the chapter. Students studying in class 9 can access these solutions for free in PDF format.
Question 1. An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example. Answer. Yes, an object can have zero displacement if it returns to its initial position. Example: When a racer runs on a running track, his initial and final position is the same. Hence, the displacement is zero.
30 cze 2021 · Displacement: It is the shortest distance between the initial and final position of a object. Note: (i) The shortest distance between two point is a straight line. (ii) Displacement is a vector quantity which requires both magnitude and direction for its explanation. Example, Nitin travelled 65 km south-west from Clock Tower.
The formula to find the distance between the two points is usually given by d=√((x 2 – x 1)² + (y 2 – y 1)²). This formula is used to find the distance between any two points on a coordinate plane or x-y plane.
5 mar 2024 · Get 100 percent accurate NCERT Solutions for Class 9 Science Chapter 8 (Motion) explained by expert Science teachers. We provide solutions for the questions given in Class 9 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 9 Science.
3 cze 2023 · The shortest distance between the initial and final positions of any object during motion, along with direction, is called displacement. The displacement of an object in a given time can be positive, zero, or negative.
