Mathematics · Motion in a Straight Line
The position of an object moving along the x-axis is given by x = a + bt2, where a = 8.5 m, b = 2.5 m/s2, and t is measured in seconds. What is the average velocity of the object between t = 2.0 s and t = 4.0 s?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115 m/s✓
- 210 m/s
- 311 m/s
- 420 m/s
Correct answer
15 m/s
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