asked 106k views
4 votes
Which methods could he use to perform his experiment?

increasing roughness and speed
increasing surface area and aerodynamic design
using nonstick materials and ball bearings
using lubricants and increasing surface area

2 Answers

6 votes

Answer:

A

Step-by-step explanation:

I did the test

5 votes

Answer:

A. Increase roughness and speed

Step-by-step explanation:

answered
User Thomas Sparber
by
8.8k points
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