A SILLY QUES BT PLZ HELP

WAT WILL B D SPEED OF D IMG?
SPEED OF OBJT IS Vm =3m/s
SPEED OF plane MIRROR IS Vo=2m/s

4 Answers

4
UTTARA ·

Is the ans 4 m/s

1
coolpal ·

no
the answer is 7m/s.

106
Asish Mahapatra ·

speed of the image with respect to what?

11
Tush Watts ·

dx / dt = -5 m/sec

V IM = dx/dt = -5 m/sec

V I G = V IM + V MG
= -5 + (-2) = -7 m/sec

Now, V I O = 2 dx/dt = 2(-5) = -10 m/sec

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