The following data were collected for a phosphorescent paint being proposed for use in coating highways....

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Question

The following data were collected for a phosphorescent paint being proposed for use in coating highways....

The following data were collected for a phosphorescent paint being proposed for use in coating highways.

Time (s)	Intensity (lux)
10	1492
20	729
30	356
40	174
50	85
60	42
70	20
80	10
90	5
100	2

Calculate the half-life for the paint.
s

What is the intensity of the light at the 2^nd half-life?
lux

What is the intensity of the light at the 3^rd half-life?

lux

science chemistry

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