Projectile motion with non-uniform gravity.

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The discussion focuses on projectile motion where gravity varies significantly due to changes in height. Participants emphasize the importance of knowing the specific question to provide accurate assistance, suggesting that such inquiries are better suited for homework forums. A key point made is that calculus is essential for solving problems involving non-uniform gravity. The conversation highlights the need for clarity in questions related to physics concepts. Understanding the role of calculus is crucial for tackling these complex scenarios.
Thimo
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I am trying to answer a question about projectile motion were the change in height is that significant that the gravity cannot be assumed constant.
 
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If we don't know what the question is, we're not going to be able to help you with it... But if you're going to post the actual question, chances are the post should go into the homework forums section: https://www.physicsforums.com/forums/introductory-physics-homework.153/

Aside from that, we can give you one big hint: Calculus was invented to take on problems like this one.
 

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For simple comparison, I think the same thought process can be followed as a block slides down a hill, - for block down hill, simple starting PE of mgh to final max KE 0.5mv^2 - comparing PE1 to max KE2 would result in finding the work friction did through the process. efficiency is just 100*KE2/PE1. If a mousetrap car travels along a flat surface, a starting PE of 0.5 k th^2 can be measured and maximum velocity of the car can also be measured. If energy efficiency is defined by...
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