Question

A boat initially moving at a velocity of 20 mph North accelerates to 75 mph North in the span of 10 seconds. What is their average acceleration?

Answer 1

Answer: 5.5 Miles Per Hour Per Second (mph/s)

Step-by-step explanation:

Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt

Initial speed

20

mph

Final speed

75

mph

Time

10

sec

Acceleration

5.5 mph/s