Time and Speed
1)The distance covered by an object in a unit time is defined as

2)The unit for speed is

3)speed= 
  

4)The average speed of a moving object is defined as the total distance covered by it divided by the total time taken. 
  

5)An instrument used in vehicles to show speed
  

6)Objects that move in a straight line and maintain the same speed throughout the distance covered are said to be in

7)Objects that move in straight line and whose speed varies are said to be in

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

9)Every object moves with constant speed.
  


  


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