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23 Nov 2019
Ball bearings can be made by letting spherical drops of moltenmetalfall inside a tall tower - called a shottower - andsolidify as they fall.
a.If a bearing needs 4.0s to solidify enough forimpact, howhigh must the tower be? b.What is the bearing's impact velocity?
Ball bearings can be made by letting spherical drops of moltenmetalfall inside a tall tower - called a shottower - andsolidify as they fall.
a.If a bearing needs 4.0s to solidify enough forimpact, howhigh must the tower be?
b.What is the bearing's impact velocity?
Jean KeelingLv2
1 Sep 2019
