A particle is projected with a velocity u making an angle θ with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

Question

A particle is projected with a velocity u making an angle θ with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is (A) u cos θ (B) u tan θ (C) u sec θ (D) u cot θ

Tardigrade Admin · Accepted Answer

v sin θ =u cos θ <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/50bc42d9a3f0d6561bb0769b306310d6-.jpeg" /> ⇒ v =u cot θ

Q. A particle is projected with a velocity u making an angle $θ$ with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

u cos $θ$

u tan $θ$

u sec $θ$

u cot $θ$

v sin $θ = u$ cos $θ$

$\Rightarrow v = u co t θ$

Q. A particle is projected with a velocity u making an angle θ with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

u cos θ

u tan θ

u sec θ

u cot θ