The body moves along the X-axis according to the equation x = -5 + 2t + t ^ 2. What path will the body take in the first 5 seconds?
The given problem: the law according to which a given body moves along the X-axis: x (t) = -5 + 2t + t ^ 2; t (initial travel time) = 4 s.
To calculate the path traversed by a given body in the first 5 seconds of movement, we determine the difference between its final and initial coordinates: S = x (5) – x (0) = -5 + 2 * 5 + 5 ^ 2 – (-5 + 2 * 0 + 0 ^ 2) = 35 m.
Answer: In the first 5 seconds, a given body has covered a path of 35 meters.
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