ma9riVgiggocia ma9riVgiggocia

24-11-2016
Mathematics

contestada

An object is dropped from a height of 100m, How long is it in the air?

Respuesta :

syed514 syed514

26-11-2016

initial velocity Vi=0 m/sHeight= h= 100mand g=9.8m/s^2time=T=?using second equation of motion..h=ViT+(gT^2)/2h= (0)(T)+ (9.8/2) T^2h= 4.9 T^2100=4.9 T^2T^2=100/4.9T^2= 20.41T= sqrt (20.41)T= 4.52 sec

Answer Link

Otras preguntas

Miss Meg's salary increases by $450 to $1760. Find her percentage salary increase.

last question Thanks for all of the helpers <3

find the distance between the points R(a+b,a-b) and S(a-b,a+b)

Is the letter Q relatively common in Quechuan languages?

find the distance between the points R(a+b,a-b) and S(a-b,a+b)

What's the answer to these passages

Students should be given a shorter summer holiday to avoid forgetting what they learn at school. Write an essay discussing this statement and highlighting the a

A wheel is rotating about an axis that is in the z-direction. The angular velocity ωz is -6.00 rad/s at t = 0, increases linearly with time, and is +4.00 rad/s

Squanto was a Wampanoag man. What happened to him?

Squanto learned English and when he returned to America, what did he teach the Puritans?