Discount for regular customers! If the total of your purchases from the seller
Massimo86
exceeds:
- $30 discount 10%
- $20 discount 7%
- $18 discount 6%
- $15 discount 5%
- $12 discount 4%
- $9 discount 3%
- $6 discount 2%
- $3 discount 1%
Solving a problem in physics section 70 point 58 optics
58. A schoolchild usually reads a book, keeping it at a distance d = 20 cm from the eyes. Glasses of what optical power should he wear to read a book at the best distance dn = 25 cm?
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
No customer reviews yet.
Discount for regular customers! If the total of your purchases from the seller
Massimo86
exceeds: