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 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

sentence with lunchbox
what happens to water once it reaches earths surface
Measurements of the Statue of Liberty Height from base of statue to the torch 151 ft 1 in. Length of hand 16 ft
Which phrase describes the study of ecology? A. comparing biotic and abiotic ecosystems B. transfer of light energy to chemical energy C. organisms that rep
What is the expression for 3y divided by 8?
The Odyssey - Elpenor is an epic poem because it features a(n) 1 character summoning and talking to the dead. 2 character sacrificing animals on a remote island
the scientific study of heredity is called
what is produced by the movement of electrons
what are to equivalent ratios to 6:7...14:28....27:9...15:12......35:40
New trade agreements are expected to