Question

The position of an object moving along x-axis is given by x = a + bt², where a = 8.5 m and b = 2.5 ms^−2 and t is measured in seconds. The average velocity of the object between t = 2s is

1) 25ms^-1

2) 10ms^-1

3) 20ms^-1

4) 5 ms^-1

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Answer 1

Answer:

there is two method please me brainiest and I hope this is useful.

Answer 2

Answer:

2 is your correct answer