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Jon

I work as a software developer. A few years ago I started to teach myself physics and mathematics out of curiosity for the physical world around us.

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2 Is momentum conserved in the rocket equation? If so, why is there force? [closed] Dec 9 '20
2 How does angular momentum contributes to increase the normal force? May 12
2 When putting a floating object in water, why the displacement of mass of water is not equal to only the part of the object inside the water? Apr 20
1 Why is the tension at the bottom of a rope hanging from a ceiling zero? [duplicate] Mar 17
1 Speed of two blocks connected by a spring and velocity of its center of mass Mar 26
1 Velocity of rocket thrown fuel box less that previous thrown fuel box's velocity? Apr 2
1 The Force on a Dam not accounting for atmospheric pressure? Apr 16
1 Is the work-energy theorem a derivation of the motion equations and Newton's second law? Oct 30 '20
1 Why is the work done by a block into a spring the same from the work done by the spring on the block? Nov 5 '20
1 Why do we add individual kinetic energy for particles of a rotating object but we don't do the same with objects in linear motion? Nov 19 '20
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