Two boys A and B, travel along the same path. The displacement - time graph for their journey is given in the following figure:
How far down the road has B travelled when A starts the journey?
Without calculation, the speed, state who is travelling faster A or B?
What is the speed of A?
What is the speed of B?
Are the speed of A and B uniform?
What dose point X on the graph represent?
What is the speed of approach of A towards B?
What is the speed of separation of A from B?
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The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set. For example, suppose we want the average of 24 , 55 , 17 , 87 and 100 . Simply find the sum of the numbers: 24 + 55 + 17 + 87 + 100 = 283 and divide by 5 to get 56.6 .
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Explanation:
The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set. For example, suppose we want the average of 24 , 55 , 17 , 87 and 100 . Simply find the sum of the numbers: 24 + 55 + 17 + 87 + 100 = 283 and divide by 5 to get 56.6 .
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