What’s the answer I don’t know how to do it

3.63m/s²

Explanation:

Given parameters:

Mass of box  = 8kg

Net force  = 29N

Unknown:

Acceleration of the box = ?

Solution:

To solve this problem, we use Newton's second law of motion which is stated as;

       Force  = mass x acceleration

 Acceleration  =   =  

Acceleration  = 3.63m/s²

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on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.