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

33. __________ often cause the eye to become less responsive. A. Stimulants B. Depressants C. Barbiturates D. None of the above

(Please answer quickly. Explain how you got your answer for better understanding.)

The average weight of a mosquito is approximately 9 × 10 ¯ 5 ounces. Based on this estimate, which number could be the weight of a mosquito, in ounces? Question

On a string of lights, for every 6 Green lights there are 4 white if there are 30 green lights how many white lights are there

y = 4x - 6 2x - 3y = 8 If this problem is to be solved by substitution, which is a correct step? A) 2x - 12x + 18 = 8 B) 2x - 12x - 18 = 8 C) 2x - 4x + 6 =

How do the homicide rates or deaths in warfare from the past compare to today?

how does the structure of the poem help develop the theme that nature is unpredictable

An advatage of blank reproduction is that a genetic disorder in a parent might not affect the offspring Im on a test 50 points answer now

Which statement describes the work of Aristotle and Linnaeus? A.) Aristotle’s classification system had many levels, while Linnaeus’s classification system only

Can you help with this???