SOLUTION: A car starts from rest, and reaches a speed of 50MPH in 6 seconds, what is the acceleration and average speed ?
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Question 647347: A car starts from rest, and reaches a speed of 50MPH in 6 seconds, what is the acceleration and average speed ?
Answer by Edwin McCravy(20064) (Show Source): You can put this solution on YOUR website!
A car starts from rest, and reaches a speed of 50MPH in 6 seconds, what is the acceleration and average speed ?
To change miles per hour to feet per second multiply by
So 50 miles per hour = 50× = 73.3 feet per second.
acceleration = = = 12.2 ft/s².
average speed =
Formula for distance: = = 0 + 6.1 = 6.1 feet
average speed = = = 1.02 ft/s
Edwin
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