If you were told that a ball had a wave length of 5 x 10 -26 nano meters at a…

If you were told that a ball had a wave length of 5 x 10 -26 nano meters at a…

If you were told that a ball had a wave length of 5 x 10 -26 nano meters at a velocity of 60 mph, what would be the mass of that ball in pounds?