HELP ME FIRST(Rotational mechanics)

VITEEE 2015 Help › Mechanics questions › HELP ME FIRST(Rotational mechanics)

Let there be a rod of length l(in a horizontal plane).End B is given a velocity 3m/s at an angle of 60 degrees in horizontal plane(+ve direction).
What is he minimum velocity of end A?
Ans.1.5 m/s
Please provide an explanation.

#Physics #Mechanics

UP 0 DOWN 0 0 2
Post on FacebookPost anonymously?

2 Answers

cipher1729 ·2010-02-20 10:33:14

one possible explanation:

rod cannot elongate, so velocity along rod must be constant.
So if we take vel of A in horizontal direction (v1)
and v2=3 m/s

v1= v2 cos 60
= 1.5 m/s

UP 0 DOWN 0
Post on FacebookPost anonymously?

bubai bubai ·2010-02-20 10:42:59

Thanks for the soln..
But could you simplify your explanation a bit more?

UP 0 DOWN 0
Post on FacebookPost anonymously?

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

Close [X]

HELP ME FIRST(Rotational mechanics)

2 Answers

Your Answer

Add Image

Similar Questions