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- Ceva’s Theorem Is More Than a Formula for Concurrency
- The Chain Rule Explained: Don't Just Memorize, Visualize It
- The Intuition Behind Integration by Parts (Proof & Example)
- Statics
- Calculus
- Hydraulics: Rotating Vessel
- Inverse Trigo
- Problems in progression
- General Solution of $y' = x \, \ln x$
- engineering economics: construct the cash flow diagram
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Problem 2 -Bullet Fired from Building (Projectile Motion)
Engr. Verterra / Fellow Students
Why is the height of the building (120 m) is represented as a negative? The gravity I understand, but the height of the building being negative is kind of confusing for me. Please help. Thank you.
Re: Discussion on: 02 - Bullet fired from the top of a building
The origin of the x-y plane is at point O located at the top of the building. It is always convenient to position the origin at the initial point of our projectile.