Question: The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be
[A].R
2 R
4R
4 R2
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.