Electro259 Electro259

21-09-2018
Physics

contestada

if it takes a tennis ball falls straight down for 4 seconds from the top of a roof, how high above the ground is the roof?

Respuesta :

osprey2015 osprey2015

22-09-2018

high=1/2 a t^2

a about 10 ... 9.81

high=1/2x10x4x4=80.

Answer Link

osprey2015 osprey2015

22-09-2018

high=1/2 a t^2

a about 10 ... 9.81

high=1/2x10x4x4=80.

Answer Link

Otras preguntas

Which other nations were NOT being built or rebuilt at the time of the American Civil War? select one

what did it take for Ha to stop being angry at the boys?

18. How were legislators chosen to serve in colonial assemblies in North America?

It is emphasized that Gilgamesh is a demigod; why include this emphasis of his partial divinity? How does it affect his character?

Which material makes up more than half of the cells volume ? Ribosomes or cytoplasm

The range of the relation R {(3,-5), (1, 2), (-1,-4), (-1,2)} is ?

help ?? 8x + 0.2 = 48.2 x =

Which best describes the relationship between the successive terms in the sequence shown?9, –1, –11, –21, …

The United States used to be, but is no longer under a Federal systemIs the above statement true or false?A. TrueB. False

What can affect evaporation rates