A wheel is subjected to uniform angular acceleration about its axis. Initially its angular velocity is zero. In the first 2 𝑠𝑒𝑐, it rotates through an angle 𝜃1. In the next 2 𝑠𝑒𝑐, it rotates through an additional angle 𝜃2. The ratio of 𝜃2 /𝜃1 is

April 16, 2022

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Physics Problems

Question : A wheel is subjected to uniform angular acceleration about its axis. Initially its angular velocity is zero. In the first 2 𝑠𝑒𝑐, it rotates through an angle 𝜃1. In the next 2 𝑠𝑒𝑐, it rotates through an additional angle 𝜃2. The ratio of 𝜃2 /𝜃1 is

(A) 1

(B) 2

(D) 5

Answer : option (C)

Solution :

A wheel is subjected to uniform angular acceleration about its axis. Initially its angular velocity is zero. In the first 2 𝑠𝑒𝑐, it rotates through an angle 𝜃1. In the next 2 𝑠𝑒𝑐, it rotates through an additional angle 𝜃2. The ratio of 𝜃2 /𝜃