m and Estimate the penetration distance Ax of a small ball of radius r = 10- density p= 2650 kg/m³, thrown at a potential barrier at velocity v = 10 m/s. The height of the potential barrier is twice the kinetic energy of the ball. 10-28 m 10-30 m 10-32 m 10-34 m 10-36 m 100 m -40 10 m
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