A particle of mass = 5 is moving with a uniform speed 𝑣 = 3√2 in the 𝑋𝑂𝑌 plane along the line 𝑌 = 𝑋 + 4. The magnitude of the angular momentum of the particle about the origin is

Question : A particle of mass = 5 is moving with a uniform speed 𝑣 = 3√2 in the 𝑋𝑂𝑌 plane along the line 𝑌 = 𝑋 + 4. The magnitude of the angular momentum of the particle about the origin is

(A) 60 units

(B) 4\sqrt{2} units

(C) 7.5 units

(D) zero

Answer : option (A)

Solution :

A particle of mass = 5 is moving with a uniform speed 𝑣 = 3√2 in the 𝑋𝑂𝑌 plane along the line 𝑌 = 𝑋 + 4. The magnitude of the angular momentum of the particle about the origin is
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