Skip video to 4:40. He says that the average velocity in the horizonatal direction is the same as the initial velocity (7.07m/s) because it doesnt change. but wouldnt the velocity change from 7.07m/s to 0? which means the average velocity should be 3.5m/s, right?
which means the change in displacement should equal 10m, not 20m. right?
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