if the continents are drifting apart at a constant speed of 3 cm/yr and Africa and South America are ..?

0 ⤊

if the continents are drifting apart at a constant speed of 3 cm/yr and Africa and South America are ..?

cont.
separated by 6.4 x 10^8 cm, how long has this drift been occuring?

2007-08-17 04:34:30 · 3 answers · asked by ayecajoy 1 in Science & Mathematics ➔ Physics

3 answers

Just do a little division.

You have how far they are apart in cm (distance) and you have how many cm per year (rate). Divide the distance by the rate to get the number of years.

2007-08-17 04:39:15 · answer #1 · answered by Lady Geologist 7 · 0⤊ 0⤋

(6.4 x 10^8 cm)/(3 cm/yr) = 2.13x10^8 years.

213.3 Million years.

2007-08-17 04:41:45 · answer #2 · answered by jjsocrates 4 · 0⤊ 0⤋

Stop it...........you make my brain hurt!!!!

2007-08-17 04:42:19 · answer #3 · answered by honeybear 5 · 0⤊ 0⤋