A stone is thrown with a velocity 𝑣 making an angle θ with the horizontal. At some instant, its velocity 𝑉 is perpendicular to the initial velocity 𝑣. Then 𝑉 is

April 18, 2022

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Physics Problems

Question : A stone is thrown with a velocity 𝑣 making an angle θ with the horizontal. At some instant, its velocity 𝑉 is perpendicular to the initial velocity 𝑣. Then 𝑉 is

(A) 𝑣 sin θ

(B) 𝑣 cos θ

(D) 𝑣 cot θ

Answer : option (D)

Solution :

A stone is thrown with a velocity 𝑣 making an angle θ with the horizontal. At some instant, its velocity 𝑉 is perpendicular to the initial velocity 𝑣. Then 𝑉 is