Rotational Mechanics

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#Physics #Mechanics #Rotational Dynamics

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3 Answers

535

Aditya Agarwal ·2014-02-26 03:23:01

1. (C)
2. (A)

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Akash Anand Second part is not correct.
Upvote·0· Reply ·2014-02-26 04:57:01
Aditya Agarwal Is the answer (D)? I'm getting 66.67J
Upvote·0· Reply ·2014-02-26 06:09:24
Akash Anand No, your first answer was due to one mistake, which is constraint relation for the 2nd part.
Upvote·0· Reply ·2014-02-26 23:03:05
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481

Anurag Ghosh ·2014-02-26 03:43:51

Sir how to do these type of sums,some questions of this sort were there in shastras,i didn't understand how to do those?

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Akash Anand Anurag, this is not a new kind of question which you don't know how to do. Simply draw FBD and try to solve this.
Upvote·0· Reply ·2014-02-26 22:36:03
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486

Niraj kumar Jha ·2014-02-26 04:18:15

1.(C)
2.(C)

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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

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

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

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

° ∂ ∞ 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