Which number is equivalent to the expression below | 12-8| A:-4 B:4 C:-20 D:20
2 answers:
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k=kevin's running
Answer:
Average velocity is 32 miles/hr.
Step-by-step explanation:
Given that a particle moves on a line away from its initial position so that after t hours it is miles from its initial position.
We have to find the average velocity of the particle over the interval [1, 4].
As, average velocity is the change is position over the change in time.
∴
=
Hence, average velocity is 32 miles/hr.