Physics Concepts - Understand & Learn with Examples

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Understanding complex physics concepts can be challenging without practical problems to apply them to. Key topics discussed include the weight of a man throwing a bag of potatoes, net acceleration on a curved path, and kinetic energy of a rocket post-engine firing. Other areas of focus are the acceleration of a point on a wheel, kinetic energy in terms of momentum, and escape speed for spacecraft. The conversation emphasizes the need for clear explanations and practical examples to grasp these concepts effectively. Engaging with specific problems can enhance comprehension and retention of the material.
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How am I supposed to figure out these concepts? No problems to do, but I'm just not understanding the material/concepts? anyone care to explain/teach me?

5.) Weight of a man who is throwing a bag of potatoes?

7/8) Net acceleration of a body on a curved path

10) Kinetic energy of a rocket after firing its engine

14) Acceleration of a point on a wheel

18) kinetic enregy expressed in terms of momentum

19) distance traveled & energy lost by skier

20) escape speed for spacecraft

21) tension and agular speed of a rock on a string

22) trajectories after a football tackle

23) power wasted by falling water
 
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What concepts?

"5.) Weight of a man who is throwing a bag of potatoes?"

What are you asked about him? What was the original question?
 
So I know that electrons are fundamental, there's no 'material' that makes them up, it's like talking about a colour itself rather than a car or a flower. Now protons and neutrons and quarks and whatever other stuff is there fundamentally, I want someone to kind of teach me these, I have a lot of questions that books might not give the answer in the way I understand. Thanks
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