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physic help?
Ball bearings are 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? (Take up to be positive.)
1 Answer
- 1 decade agoFavorite Answer
b ans...all free falling object has an acceleration of 32ft/sec,,so if it fall down in the building its velocity is zero.after 1 sec..it has a velocity of 32ft/sec2...formula
v=d/t
