Wednesday, 4 June 2014

Introduction of fastest ball challenge and theory behind it.(3A)

There were 3 experiments in this topic-the fastest ball challenge/achieving 1.2s/achieving 1.4s.

<The fastest ball challenge>:
The main idea of this challenge was to try various angles and distance to find/achieve the fastest time for an iron ball to travel between the two photo gates.
We had to use the concepts of conservation energy,kinetic energy and potential energy.

-Energy is neither created or destroyed.
-The energy can only be transformed from one state to another.
-formula for gravitational potential energy:mgh
-formula for kinetic energy:1/2mv^

The most suitable angle:35.2º
Our angle:36º

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