Module 1 Assignment: Part 2
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What is energy?
Energy is the capacity to do work
What are our 8 guidelines for making an order of magnitude estimate?
Guess Talk to your gut Divide and conquer Lie skillfully Punt Use guerrilla warfare Lower your standards Cross-check
Select items that are forms of energy (in joule)
Kinetic Potential Gravitational
A vector has these properties
Magnitude Direction
How is mass related to weight?
Mass is is a fixed quantity of matter. Weight depends on the forces acting on a mass.
Work is
a force times a distance. the transfer of energy.
A force is
is responsible for a change in motion. is a mass times an acceleration.