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HELP PLS! Mrs. Frazier was on a jet ski traveling 25 km/min NE in Lake Norman last weekend. She started slower at 5 km/min but within 5 mins she had increased her speed. What was her acceleration?

21 km/hr


4 km/min2


100 km/min


6.2 km/hr

Respuesta :

Answer:

4 km/min^2

Explanation:

acceleration is the rate of change of speed per time

25 -5 = 20 km/min speed change

20 km/min  / 5 min = 4 km /min^2

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