Ball bearings can be made by letting spherical drops of molten metal fall inside a tall tower-called
Question:
Ball bearings can be made by letting spherical drops of molten metal fall inside a tall tower-called a shot tower-and solidify as they fall.
a. If a bearing needs 4.0 s to solidify enough for impact, how high must the tower be?
b. What is the bearing's impact velocity?
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a To solve this we can use the freefall equation h 12 g t2 where h is the height of ...View the full answer
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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