Kinematics-11

IIT JEE Answers › Mechanics questions › Kinematics-11

A particle is projected from a point on the level ground and its height is h when at horizontal distance a and 2a from its point of projection. Find the velocity of projection.

#Physics #Mechanics

UP 0 DOWN 0 0 2
Post on FacebookPost anonymously?

2 Answers

1133

Sourish Ghosh ·2013-06-10 08:25:34

âˆš[g(9h² + 4a²4h]

UP 0 DOWN 1
Akash Anand Good work ..try to put the solution in crisp equations only.
Upvote·0· Reply ·2013-06-10 23:49:08
Post on FacebookPost anonymously?

1133

Sourish Ghosh ·2013-06-11 03:17:27

h = atanÎ¸(1 - aR)
h = 2atanÎ¸(1 - 2aR)

Therefore, R = 3a
find tanÎ¸ from one of the equations.
find v from equation of range.

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