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Mini-Quiz: Overview of Gravity Equations for Falling Objects

by Ron Kurtus (revised 27 December 2010)

Take this Mini-Quiz to check your understanding of the lesson material.



1. If you know how long an object has been falling, what information can you calculate?

The velocity and displacement traveled for that time period

Which version of g to use

The time it has been falling

2. How far has a falling object traveled when it reaches a velocity of 8 ft/s?

32 ft

8 ft

1 ft

3. What is the equation for the time it takes to fall a given displacement?

v = √(2gy)

t = √(2y/g)

t = v/g

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.


Gravity is an approximation of gravitation


Resources and references

Ron Kurtus' Credentials

Websites

Falling Bodies - Physics Hypertextbook

Equations for a falling body - Wikipedia

Gravity Calculations - Earth - Calculator

Kinematic Equations and Free Fall - Physics Classroom

Gravity Resources

Books

Top-rated books on Simple Gravity Science

Top-rated books on Advanced Gravity Physics


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