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Grade B: You are submitting a response to this question to earn a maximum grade of...

Grade B: You are submitting a response to this question to earn a maximum grade of B on the exam.

Instructions: Submit your written response to the question. It must be legible and include an explanation of the result.

At time t ≥ 0, the velocity of a body moving along the horizontal axis is $$ v = t^{2}-4T+3.

Find the body's acceleration at each time the velocity is zero?

When is the body moving forward? Backward?

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