A tennis ball is dropped from 1.13 m above the

ground. It rebounds to a height of 0.876 m.

With what velocity does it hit the ground?

The acceleration of gravity is 9.8 m/s2. (Let

down be negative.)

Answer in units of m/s.

Question

Physics

Janessa Wright

12 August, 21:46

A tennis ball is dropped from 1.13 m above the

ground. It rebounds to a height of 0.876 m.

With what velocity does it hit the ground?

The acceleration of gravity is 9.8 m/s2. (Let

down be negative.)

Answer in units of m/s.

+5

Answers (1)

Know the Answer?

Kamryn Reilly · Answer 1

-4.71 m/s

Explanation:

Given:

y₀ = 1.13 m

y = 0 m

v₀ = 0 m/s

a = - 9.8 m/s²

Find: v

v² = v₀² + 2a (y - y₀)

v² = (0 m/s) ² + 2 (-9.8 m/s²) (0 m - 1.13 m)

v = - 4.71 m/s

A tennis ball is dropped from 1.13 m above theground. It rebounds to a height of 0.876 m.With what velocity does it hit the ground?The acceleration of gravity is 9.8 m/s2. (Letdown be negative.)Answer in units of m/s.

A tennis ball is dropped from 1.13 m above the

ground. It rebounds to a height of 0.876 m.

With what velocity does it hit the ground?

The acceleration of gravity is 9.8 m/s2. (Let

down be negative.)

Answer in units of m/s.