Question

plzz tell this question and no unnecessary answer plzzz​

Answer 1

Answer:

5730 more revolutions the first wheel make than the second in covering a distance of 96km.

Step-by-step explanation:

Let number of revolutions in covering a distance of 96km(96×10000 dm) made by front wheel be n₁ and that made by hind wheel be n₂.

w.k.t., distance covered by wheel = (circumference of the wheel) × (number of revolutions)

⇒ 96×10000 dm = 2πr₁n₁

⇒ 960000 = 2π×10n₁

⇒ n₁ = 48000/π ≈ 15279

Also, 96×10000 dm = 2πr₂n₂

⇒ 960000 = 2π×16n₂

⇒ n₂ = 30000/π ≈ 9549

Now, n₁-n₂ = (48000-30000)/π

⇒ n₁-n₂ = 18000/π ≈ 5730

⇒ 5730 more revolutions the first wheel make than the second in covering a distance of 96km.

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