Question

You increase your walking speed from 1 m/s to 3 m/s in a period of 1 s. What is your acceleration?

4 m/s2
3 m/s2
5 m/s2
2 m/s2
I think the answer is A

Answer 1

@MysticFury

Answer 2

the magnitude of the requested acceleration, is:
\[\Large a = \frac{{{v_2} - {v_1}}}{{\Delta t}} = \frac{{3 - 1}}{1} = ...?\]

Answer 3

so D?

Answer 4

yes!

Answer 5

thanks!!!