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Topic: How do yo calculate how long would take for an object to fall? (Read 343 times)

vip
Activity: 1428
Merit: 1145
Say a ball of 1Kg, you let it fall (frefall) from 50 meters, how long does it take to reach the ground? Whats the formula

If you ignore the resistance of the air then the formula you're looking for is:
distance = initial velocity (0 if the object is dropped) • time + ½ • gravity • time^2
from there you can calculate time.

Check "Example Problem A" here: http://www.physicsclassroom.com/class/1DKin/Lesson-6/Kinematic-Equations-and-Free-Fall


Okay, so what's the formula in a Flat-earth model where gravity doesn't exist?
full member
Activity: 218
Merit: 102
Say a ball of 1Kg, you let it fall (frefall) from 50 meters, how long does it take to reach the ground? Whats the formula

If you ignore the resistance of the air then the formula you're looking for is:
distance = initial velocity (0 if the object is dropped) • time + ½ • gravity • time^2
from there you can calculate time.

Check "Example Problem A" here: http://www.physicsclassroom.com/class/1DKin/Lesson-6/Kinematic-Equations-and-Free-Fall
hero member
Activity: 1064
Merit: 505
Say a ball of 1Kg, you let it fall (frefall) from 50 meters, how long does it take to reach the ground? Whats the formula
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