Question

A skater starts from rest and accelerates to 5 m/s in 4.5 s. How far did the travel in this time period?
(there is no answer choices)

Answer 1

Answer:

11.25 m

Explanation:

Given:

v₀ = 0 m/s

v = 5 m/s

t = 4.5 s

Find: Δx

Δx = ½ (v + v₀) t

Δx = ½ (5 m/s + 0 m/s) (4.5 s)

Δx = 11.25 m

Round as needed.