Physics · Unit 2 · Linear motion and force · Linear motion
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Compare the instantaneous velocity at \( t = 4.0\,\text{s} \) with the average velocity over the interval \( 0\,\text{s} \) to \( 8.0\,\text{s} \), and explain what this comparison reveals about the cyclist's motion.
A cyclist travels 180 m north in the first 15 s, then 120 m north in the next 30 s. What statement correctly compares the average velocity over the entire journey with the instantaneous velocity at \(t = 15\) s?
Compare instantaneous velocity and average velocity for an object undergoing non-uniform motion.
A cyclist travels along a straight road. The displacement–time graph below shows the cyclist's motion over a 10 s interval. Compare the cyclist's instantaneous velocity at t = 6 s with the average velocity over the entire 10 s interval.