Two cars having masses m1, and m2 move in circles of radii r1, and r2

1.	Two cars having masses m1, and m2 move in circles of radii r1, and r2 respectively. If they complete the circle in equal time, the ratio of their angular speeds ω1\ω2 is(a) m1 /m2 (b) r1 /r2 (c)m1r1 \m2r2, (d) 1.
Answer» The right answer is (d) 1. Explanation: In completing a circle the angle covered is 2π what ever be the radius of the circle. The angular speed will be given by 2π/T where T is the time taken in covering the circle. In this case T is same for both cars, so both cars will have same angular speed ω = 2π/T . Hence ω₁/ω₂ =1

Two cars having masses m1, and m2 move in circles of radii r1, and r2 respectively. If they complete the circle in equal time, the ratio of their angular speeds ω1\ω2 is(a) m1 /m2 (b) r1 /r2 (c)m1r1 \m2r2, (d) 1.

Answer»

The right answer is (d) 1.

Explanation:

In completing a circle the angle covered is 2π what ever be the radius of the circle. The angular speed will be given by 2π/T where T is the time taken in covering the circle. In this case T is same for both cars, so both cars will have same angular speed ω = 2π/T . Hence ω₁/ω₂ =1

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Two cars having masses m1, and m2 move in circles of radii r1, and r2 respectively. If they complete the circle in equal time, the ratio of their angular speeds ω1\ω2 is(a) m1 /m2 (b) r1 /r2 (c)m1r1 \m2​r2, (d) 1.

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Two cars having masses m1, and m2 move in circles of radii r1, and r2 respectively. If they complete the circle in equal time, the ratio of their angular speeds ω1\ω2 is(a) m1 /m2 (b) r1 /r2 (c)m1r1 \m2r2, (d) 1.