1. A surfer moving with an initial speed of 1.5 m/s catches a wave and accelerates at a constant

rate of 2.1 m/s2 for 2.2 s.

a) How far does the surfer travel in those 2.2 seconds?

b) What's the velocity of the surfer at the end of those 2.2 seconds?

Question

Nancy Sawyer

Physics

1 February, 13:23

1. A surfer moving with an initial speed of 1.5 m/s catches a wave and accelerates at a constant

rate of 2.1 m/s2 for 2.2 s.

a) How far does the surfer travel in those 2.2 seconds?

b) What's the velocity of the surfer at the end of those 2.2 seconds?

+4

Answers (1)

Know the Answer?

Efrain Ashley · Answer 1

a) Δx ≈ 8.4 m

b) v ≈ 6.1 m/s

Explanation:

Given:

v₀ = 1.5 m/s

a = 2.1 m/s²

t = 2.2 s

a) Find: Δx

Δx = v₀ t + ½ at²

Δx = (1.5 m/s) (2.2 s) + ½ (2.1 m/s²) (2.2 s) ²

Δx ≈ 8.4 m

b) Find: v

v = at + v₀

v = (2.1 m/s²) (2.2 s) + (1.5 m/s)

v ≈ 6.1 m/s

1. A surfer moving with an initial speed of 1.5 m/s catches a wave and accelerates at a constantrate of 2.1 m/s2 for 2.2 s.a) How far does the surfer travel in those 2.2 seconds?b) What's the velocity of the surfer at the end of those 2.2 seconds?

1. A surfer moving with an initial speed of 1.5 m/s catches a wave and accelerates at a constant

rate of 2.1 m/s2 for 2.2 s.

a) How far does the surfer travel in those 2.2 seconds?

b) What's the velocity of the surfer at the end of those 2.2 seconds?