2006-12-31 10:55:48 · 4 answers · asked by peter 1 in Science & Mathematics ➔ Engineering
Isn't thread pitch so many threads per inch?
So...one turn is one thread, which is one thread per however many threadds there are per one inch.
A fastener that has 10 threadds per ince, has one thread that gives 1/10 of an inch per that thread.
Yes??
2006-12-31 11:07:11 · answer #1 · answered by Anonymous · 2⤊ 1⤋
a) Time taken by the train to reach Barcena= 90/60 hours = 90 minutes. As spped of bird is more, it will continue flying back and forth for 90 minutes with 90 miles per hour. So Total distance the bird travels= 90* 90/60= 135 miles. b) They will meet at time t given by: 60t + 90 t= 90 t=9/15 hours = 36 minutes. As the spped of train is more, it will reach Bercena first. So the bird aftet meeting the train at a distance of 36 miles( 60* 36/60) will simply get back. So total distance= 36*2= 72 miles.
2016-05-23 01:19:49 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Yes. A thread pitch of "n per inch" will move 1/n inch in one turn.
2006-12-31 12:09:58 · answer #3 · answered by gp4rts 7 · 2⤊ 0⤋
I also asked the same question 2 times, and did not get a proper answer
2016-08-23 14:05:26 · answer #4 · answered by Anonymous · 0⤊ 0⤋