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1. If a 0.4 kg object hanging from a spring stretches it by 0.90 m, then by how much will the spring be stretched (in
- 1. If a 0.4 kg object hanging from a spring stretches it by 0.90 m, then by how much will the spring be stretched (in m) if a 0.8 kg object is suspended from It?
- 2. Suppose an airline allows a maximum of 29 kg for each suitcase a passenger brings along.
- (a) What is the weight in newtons of a 29 kg suitcase?
- (b) What is the weight in pounds?
- (c) The mass of a subway car and passengers is 30,500 kg. If its acceleration as it leaves a station is 0.5 m/s?, what is the net force (in N) acting on it?
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1 To solve this problem we can use Hookes Law which states that the force exerted by a spring is dir...
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Inquiry into Physics
Authors: Vern J. Ostdiek, Donald J. Bord
8th edition
1305959426, 9781337515863 , 978-1305959422
