Question

lf an object's velocity changes from 25 meters per second to 15 meters per second in 2.0 seconds, the magnitude of the object's acceleration is​

Answer 1

Step-by-step explanation:

Acceleration is the change in velocity over time.

a = Δv / Δt

a = (15 m/s − 25 m/s) / 2.0 s

a = -5.0 m/s²

The magnitude of the acceleration is 5.0 m/s².

Answer 2

-5 m/s^2

Step-by-step explanation:

`acceleration = (change \: in \: velocity)/(time) \\ \\ = (15 - 25)/(2) \\ \\ = ( - 10)/(2) \\ \\ = - 5 \: m {s}^( - 2) \\ \\ negative \: sign \: represents \: that \: \\ object \: is \: slowing \: down.`