7. A baseball player runs from home plate to first base, a distance of 90 feet.The graph shows the displacement of the player over time. https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...
What is the approximate average speed of the player's run to first base?
8. Over a span of 6.0 seconds, a car changes its speed from 89 km/h to 37 km/h. What is its average acceleration in meters per second squared (m/s2)?
7. s = D/t = 90/4.5s = 20 ft/s or 6.1 m/s
= (37 - 89)/6 = -52/6 = -8.67 m/s2
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