truong24 truong24

19-02-2017
Biology

contestada

A ball is dropped from a window and takes 2 seconds to reach the ground. It starts from rest and reaches a final speed of 20 m/s. what is the ball's acceleration?

A ball is dropped from a window and takes 2 seconds to reach the ground It starts from rest and reaches a final speed of 20 ms what is the balls acceleration class=

Respuesta :

LeBellé LeBellé

19-02-2017

The answer is 40 m, because you must cross multiply by using proportions.
I showed my work below.

Ver imagen LeBellé

Answer Link

Otras preguntas

HELP ME PLEASE I NEED HELP

so someone need help

how does lake erie relate to the water cycle

5 = x-(-10)) Pls help

Riddle Two people were playing chess. They both won. How is this possible?

which statement best reflects the solution(s) of the equation?

Fix the one word that is used incorrectly. During the Constitutional Convention in 1787 they're was significant disagreement over how many representatives each

In the triangle below, which equation can be used to solve for x?

Select the scripture that shows an example of numerical parallelism. Prov. 17:1 Better is a dry morsel, a quietness therewith, than a house full of sacrifices w

buenos aires es una ciudad atractiva que mezcla lo moderno con lo histórico.