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The speed of a moving bullet can be deter-

mined by allowing the bullet to pass through

two rotating paper disks mounted a distance

69:1 cm apart on the same axle. From the

angular displacement 39:7 ± of the two bul-

let holes in the disks and the rotational speed

596 rev=min of the disks, we can determine

the speed v of the bullet. Find the speed v of the bullet.

Can anyone help me with this problem