Is 454.960 pennyweights as heavy as a Baseball?
It's about five times as heavy as a Baseball
The weight of a Baseball is about 93.4244791666670 pennyweights.
(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 91.1458333333330 pennyweights and 95.7031250 pennyweights. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).
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