Equation of path of a particle moving in x − y plane is given by y = 10 x − 2 x 2 for the given particle select correct statement. Assume acceleration of gravity as 10 m / s 2 in negative y -direction

Question

Equation of path of a particle moving in x − y plane is given by y = 10 x − 2 x 2 for the given particle select correct statement. Assume acceleration of gravity as 10 m / s 2 in negative y -direction :

TestHub · Accepted Answer

y = 10 x − 2 x 2 (A) Max height y m a x ​ = 4 a b 2 ​ = 4 × 2 1 0 2 ​ = 12.5 m ✓ (B) Range y = 0 ⇒ x ( 10 − 2 x ) = 0 ⇒ x = 5 ✓ (C) Angle at x = 2.25 tan θ = d x d y ​ = 10 − 4 x For x = 2.25 ⇒ tan θ = 1 ⇒ θ = 4 5 ∘ ✓ (D) Initial angle tan θ 0 ​ = 10 ⇒ θ 0 ​  = 5 3 ∘ ×

Physics - Kinematics Question with Solution | TestHub

Options:(select one or more)

Doubts & Discussion