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. The average speed ran by the player is : Distance/time taken
8. Acceleration is change of speed/time
=37km/h-89km/h / 6 seconds
=-52km/h /6 sec
= -2.4m/second^2 ( the car has a negative accelaration i.e the acceleration is being lowered)
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