optics of moving sources

A point object is moving with a speed v before an arrangement of two mirrors as shown in figure.Find the velocity of image in mirrorM

3 Answers

3
msp ·

the question is .Apoint object is moving with a speed v before an arrangement of two mirrors as shown in figure. Find the velocity of image in mirror M1 with respect to image in mirror M2

1
Prashant Shekhar ·

For Vm1:
Take a unit vector along the mirror m1 and one perpedicular to m1

Now component of velocities along the mirror will be same and same but opposite sign perpendicular to the mirror

It can be easily determined to be
Vm1=v(cos 2θ i +sin 2θ j)
and Vm2=v i

hence,
Vm1/m2=Vm1-Vm2

3
msp ·

thank u sir

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