Motion and Time Chapter 13 Class 7 Science

Motion and Time Chapter 13 Class 7 Science
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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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Q1. In a school athletic meet, a boy ran at a speed of 2m/s and stood first in a 200m race. How much distance is covered by him per second?


Q2. Rahul and Rijul are going on the excursion. They both have to go to the same place and cover a certain distance but in different cars. If Rahul covers a certain distance in one hour and Rijul covers the same distance in two hours. Who travels with a higher speed?


Q.3. A simple pendulum takes 32s to complete 20 oscillations. What is the time period of the pendulum?


Q. 4. The distance between the 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 at a speed of 30m/s. How much distance will it travel in the 30s?


Q.10. A bus takes 30 minutes to travel a distance of 25 km. Calculate the speed of the bus in km/h?


Q.11. A train is traveling 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 40 seconds. 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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