twitchprimeskin777 twitchprimeskin777

14-10-2020
Physics

contestada

A ball is dropped from a 19m high cliff. The acceleration on the ball was 9.8m/s². What was the ball's final velocity before hitting the ground?

Respuesta :

MathPhys MathPhys

14-10-2020

Answer:

19.3 m/s

Explanation:

Take down to be positive. Given:

Δy = 19 m

v₀ = 0 m/s

a = 9.8 m/s²

Find: v

v² = v₀² + 2aΔy

v² = (0 m/s)² + 2 (9.8 m/s²) (19 m)

v = 19.3 m/s

Answer Link

Otras preguntas

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?

What is the silk road? What valuable products were traded on the silk road?