The graph in the figure shows the velocity of a particle as it travels along the x-axis. What is the magnitude of the average acceleration of the particle between t= 1.0 s and t= 4.0 s?

Question

The graph is here:

https://imgur.com/a/CfnD478

Answer 1

Acceleration is the rate at which velocity changes. Mathematically average acceleration is a = Δv / Δt.

In our case average acceleration a = (v(4 s) - v(1 s))/(4 s - 1 s) = (3 m/s + 2 m/s) / 3 s = 1.67 m / s²