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	1505
20	745
30	369
40	183
50	90
60	45
70	22
80	11
90	5
100	3

Calculate the half-life for the paint.

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

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

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Expert Solution

queen_honey_blossom answered 8 months ago

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