Question

6. A car is traveling at 50m/s when it begins to slow down to
20m/s. This took the car 5s to slow down. Calculate the
acceleration. *

Answer 1

Answer:

-6 m/s²

Explanation:

Given:

v₀ = 50 m/s

v = 20 m/s

t = 5 s

Find: a

v = at + v₀

20 m/s = a (5 s) + 50 m/s

a = -6 m/s²

Answer 2

Answer:

-5

Explanation: