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KINEMATICS class vii sub: physics

Worksheet

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SAND DUNE FIXATION AND STABILIZATION

Objectives

The objectives of the study are: To be able to give the correct relation b/w speed, distance and time To be able to convert one unit into the other To be able to work out numericals based on the above

Questions

Answer the following questions

1. Which of the following can cover more distance in the same time?

[1]

• 
• 

Question

Choose the correct option

What is the relation b/w Speed, distance and time?

1. Speed= Distance/Time

2. Distance= Speed/Time

3. Time = Speed/Distance

Question

Answer the following

What are the S.I. Units for Speed, Distance and Time?

Activity

Convert as instructed

1.250 m to Km

2.1500m to Km

3.3750m TO Km

4.!8 sec

5.720 Sec

6.3600 Sec

7.200 m/s to Km/hr

8.50 m/s to Km/hr

9.540 Km/hr to m/sec

10.14 Km/hr to m/s

Question

Calculate the following

What is the Speed of Rohan with which he reaches,

• the class from basket ball court, if he takes 10 min to cover a distance of 300m?

• the canteen from class room, if he covers 50m in 5 sec. ?

• the Library from the Language room, if the distance b/w them is 150 m and he takes 5 min. ?

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