Lisa rushes down onto a subway platform to find her train already departing. she stops and watches the cars go by. each car is m long. the first moves past her in s and the second in s. find the constant acceleration of the train.

you have to draw the persons position over there

double the distance = divide strength by 4

in most common fires, oxygen is needed for an oxidation reaction to takes place. the combination of oxygen with any element as fuel can create fire and combustion will occur especially if wood, light materials and other combustible things are combine with oxygen.