0 0 0 0
OPINO DONDO
UDENDODONCO
-DNO DONDO
Reel C plus reel D is 1 more
than reel B plus reel A
Reel B is 7 or 8
The last reel has the lowest
digit
The smallest and largest digits
have a difference of 4
what’s the 4 digit code?

Amass weighing 16 pounds stretches a spring 8/3 feet. the mass is initially released from rest from a point 2 feet below the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 1/2 the instantaneous velocity. find the equation of motion if the mass is driven by an external force equal to f(t)=cos(2t).