Скачать или смотреть Numerical Problems of Chapter 7 | Std 9 | Motion | NCERT Numerical Key concepts Examples | Gopal Sir

Q-1. What will be the speed of body in m/s and km/hr if it travels 40 km in 5 hrs ?

Q-2. During an experiment, a signal from a spaceship reached the ground station in 5 minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3X10 m/s.

Q-3. Usha swims in a 90 m long pool. She covers 180 m in one minute by swimming from one end to other and back along the same straight path. Find the average speed and average velocity of Usha.

Q-4. An ant crawls around a pathway in search of food. Its movement is traced out on the image on the left. a) Calculate the total distance covered by the ant. b) Calculate the displacement of the ant. The ant takes 30 minutes to complete its journey c) Calculate the average speed of the ant. d) Calculate the average velocity of the ant.

This is a Solution video for examples of Class 9th Science Chapter 7 Motion from NCERT book

By - Gopal Sir - 10 BY 10 Education Point