Pr9ockmarthannieHug Pr9ockmarthannieHug

02-04-2017
Physics

contestada

A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?

Respuesta :

mathssydney mathssydney

02-04-2017

v=u+at
49=0+9.8t
t=49/9.8
t = 5 (seconds)

Answer Link

Otras preguntas

what is the length of the hypotenuse of a right triangle with legs that measure 8 and 13 cm round the answer to the nearest hundredth

According to the cell theory, which structure contains cells? A)blood B)water C)carbon dioxide D)chromosome

what times 6 equals 24

When were the first commercial Valentines Day cards sold?

Use gcf and the distributive property to write equivalent expressions in factored form for 4d+12e

Mark if the following statement about slavery in the Muslim world is correct. A. When European countries stopped participating in the slave trade, Muslim lands

A cone-shaped container sits inside a larger cone. The inner cone has a height of 3 in. and a diameter of 5 in. The outer cone has the same diameter and is 14 i

Facts about the Hurricane Katrina

Recently, researchers uncovered the molecular structure of a key protein that retroviruses use to multiply. This was a significant step toward _____..

if you wanted to describe an increase in volume to your class which of the following objects would be the best item to use?