Motion and Time Chapter 13 Class 7 Science
Motion and Time Chapter 13 Class 7 Science
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Aug 2021
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What you will learn
Q1. In a school athletic meet, a boy ran at a speed 2m/s and stood first in 200m race. How much distance is covered by him per second?
Q.3. A simple pendulum takes 32s to complete 20 oscillations. What is the time period of the pendulum?
Q. 4. The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
Q. 5 The basic unit of speed is: (i) km/min (ii) m/min (iii) km/h (iv) m/s
Q6. Define the following terms:- A) Distance B) Time : C) Speed: D) Uniform Motion: E) Average Speed
Q. 7. Change 20 m/s to km/h
Q.8. Change 54km/h to m/s
Q.9. An Electric train is moving with a speed of 30m/s. How much distance will it travel in 30s?
Q.10. A bus takes 30 minutes to travel a distance of 25 km. Calculate the speed of bus in km/h?
Q.11. A train is travelling at a speed of 110km/h. How long will it take to complete a journey of 605 km, without any stoppage in between?
Q.12. The time taken for 20 oscillations is 40seconds. Calculate the time period of a simple pendulum.
Q.13. Plot the graph from the following data: Also answer the following question:- What is the type of motion shown in the graph?
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8/16/2021
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