01-03-2021
Physics

contestada

How much time does it take a dropped object to fall 180 m on Earth?
18 s
36 S
10 s
6s

Respuesta :

really226 really226

01-03-2021

Answer:

6s

Explanation:

Assume it is dropped from rest and the gravitational acceleration is 10

By the equation of motion under constant acceleration:

[tex]s=ut+\frac{1}{2} at^2[/tex]

180 = (0)t+10(t^2)/2

t = 6 or -6 (rejected)

t = 6 s

Answer Link

Otras preguntas

What is a group of organisms that look alike and can reproduce among their selfs ?

Why were the 1920's considered the best and worst of times?

Why did president Washington want the United States to remain neutral

What sorts of signals does the brain use to communicate sensations, thoughts and actions?

Fragment in this sentenceWith her heavy dictonary, Donna thumps the top other ancient computer monitor. Whenever the color tint flickers from normal to sickly

Newtons third law of motion is also known as the law of ?

Newtons third law of motion is also known as the law of ?

How did the Declaration of Independence change the nature of the American Revolution?

How do you work out the problem 84 divided by4

when we look at a leaf, we see the colors of light that are reflected off its surface. how does the relatively low flow of oxygen in green light?