. How many protons does 14/6C atom contain?   2.A hydrogen balloon that provides a 30 N upward force is connected to a 2 kg gift package with weight downward. What is the acceleration (in m/s2) of the package going up?   3.A car speeds up uniformly from 10 m/s to 20 m/s while traveling a distance of 75 m. What is its acceleration (in m/s2) during this tim

Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter5: Matter Waves
Section: Chapter Questions
Problem 30P
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1. How many protons does 14/6C atom contain?

 

2.A hydrogen balloon that provides a 30 N upward force is connected to a 2 kg gift package with weight downward. What is the acceleration (in m/s2) of the package going up?

 

3.A car speeds up uniformly from 10 m/s to 20 m/s while traveling a distance of 75 m. What is its acceleration (in m/s2) during this time?

 

complete answers please

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