how long?

[Shedhand]

I planted a blue spruce (Pinaceae Picea pungens Engelm) the other day. My little off-sider, Jack, said "Pa, how long will it take to grow as tall as me?"
So I gave him a quiz. I put a nail in the trunk 6" from the ground. I then asked him how long it would take for the nail to be 48" from the ground if the blue cypress growns 1/2" a year.
He's still trying to work it out. Can you help him.

[Skew ChiDAMN!!]

Depends on how big a piece of wood I want out of it.

[Sir Stinkalot]

You should have given it to him in metric ...... thats the part he is struggling with :D

[shep]

gday
as trees grow from the top the nail will still be 6 inches from the ground no matter how tall the tree gets.
oohroo
shep

[echnidna]

I'm a woodie not a mathematician

[Iain]

Mmmmm, in psychology it was common for people to come up and say 'my friend has a problem with...........', say no more:rolleyes:

[ss_11000]

I planted a blue spruce (Pinaceae Picea pungens Engelm) the other day. My little off-sider, Jack, said "Pa, how long will it take to grow as tall as me?"
So I gave him a quiz. I put a nail in the trunk 6" from the ground. I then asked him how long it would take for the nail to be 48" from the ground if the blue cypress growns 1/2" a year.
He's still trying to work it out. Can you help him.


answer
(48- 6) / 2
= 42 / 2
= 84 years
so that means that the nail has to go 42" and is travelling at 1/2 inch per year

[Shedhand]

answer
(48- 6) / 2
= 42 / 2
= 84 years
so that means that the nail has to go 42" and is travelling at 1/2 inch per yearI like the logic but see Shep's answer. ;)

[Lignum]

about 72 years:confused:

[didnt see sheps answer :o ]

[ss_11000]

I like the logic but see Shep's answer. ;)

oops....see what happens when you read things too fast, u miss things..............shep = smart

i'll have to give him a greenie now

[Skew ChiDAMN!!]

as trees grow from the top the nail will still be 6 inches from the ground no matter how tall the tree gets.

BZZZT. Wrong. Like I said, it depends on how big a piece of wood I want out of it. Once it reaches the right size, that nail will be on my workbench, where I can attack it with a decent set of pliers before ripping... :D

[shep]

[quote=ss_11000] shep = smart

sorry mate wrong again...and my wife recons she can prove it

shep

[ss_11000]

sorry mate wrong again...and my wife recons she can prove it

shep

is this better: shep= logical thinker