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Q. While rummaging in her backpack for her cell phone, Sally's Mini-Cooper rear ends Joey's Suburban. Sally's car is totaled while the suburban is fine. If Sally's car hit the suburban with 30 N of force, how much force did Joey's car exert on Sally's? (a) more than 30 N, (b) less than 30 N, (c) exactly 30 N.
Ans.
Exactly 30 N, Newton's 3rd Law
Copper Atomic number 29 Symbol Cu Atomic weight 63.546 Discovery Cu has
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