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There are 2 inclines..one having friction in its upper half..other having friction in its lower half..a sphere is rolled on both of them..where will it have more energy ??

#Physics #Mechanics

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7 Answers

1

$ourav @@@ -- WILL Never give ·2009-09-26 21:54:28

u mean where it will have more energy when it reaches d bottom...isnt it....??

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11

Gone.. ·2009-09-26 22:01:51

ya

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11

virang1 Jhaveri ·2009-09-26 22:23:22

They will have same velocity therefore same energy

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$ourav @@@ -- WILL Never give ·2009-09-26 22:36:04

i too think dey will hav same velocity......coz kintic friction acts along a equal horizontal distance in both d cases

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Gone.. ·2009-09-26 23:24:04

even i thought that..but that is not the ans.

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$ourav @@@ -- WILL Never give ·2009-09-27 03:09:45

wats d answer den??

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Gone.. ·2009-09-27 03:18:25

ans given is one having friction on upper half..no idea y.

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

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∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω