Question

can we reduce friction to zero? what are the materials used to reduce friction​

Answer 1

Answer:

lubricants such as oil

Explanation:

yes we can do friction zero

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Answer 2

Answer:

kar diye tumhe do ids se subscribe

Explanation:

in what time will a sum double itself at 4% per annum, at simple interest?Rohan deposited * 5,000 at 8% per annum for 7/2

years and Sunil deposited

5,000 at 6% per annum for four years. Who will get more interest? What amount

will each get?