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COE in SHM

two particles...

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two particles move in concentric circles of radii r1 ,r2 suxh that they maintain a staright line through the centre .find ratio of angular velocities

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Q. Two particles move in concentric circles of radii

r_{1}

r_{2}

such that they maintain a straight line at the center. Find the ratio of their angular velocities.

C_{1}

C_{2}

are two non concentric fixed circle with radii

R_{1}

R_{2}

R_{2}

is contained in

C_{1}

. A third circle

C

moves in such a way that it touches

C_{1}

C_{2}

externally, then find the locus of its centre.

Q. Two concentric circles with centre

C

r_{1}

r_{2}

(r_{2} - r_{1}) > 0

C A

C B

are the common lined radii of the circles. If tangent at

A

is drawn to meet the bigger circle in the point

D

. Then the length

B D

Q. Two cars having masses

m_{1}

m_{2}

move in circles of radii

r_{1}

r_{2}

respectively.If they complete the circles in equal time,the ratio of their angular speed

ω_{1} / ω_{2}

Q. Two particles

A, B

are moving on two concentric circles of radii

R_{1}

R_{2}

with equal angular speed

ω

t = 0

, their positions and direction of motion are shown in the figure:
The relative velocity

{\to u}_{A} - {\to v}_{B}

t = \frac{π}{2 ω}

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