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AP Physics 1 Videos 86 videos

AP Physics 1: 2.5 Changes and Conservation Law
445 Views

AP Physics 1: 2.5 Changes and Conservation Law. At what point(s) in this situation is energy lost in any form?

AP Physics 1: 1.4 Waves
181 Views

AP Physics 1: 1.4 Waves. Which of the following is technically true for Max as he stands at the edge of oblivion? 

AP Physics 1: 1.4 Changes and Conservation Laws
177 Views

AP Physics 1: 1.4 Changes and Conservation Laws. Find the current across R2.

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AP Physics 1: 2.1 Object Interaction and Forces 205 Views


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Description:

You may not be able to get Einstein-o the Great at your next birthday party, but you can at least figure out his tricks. Let's find out what the magnitude of gravitational force is between two rocks. ...Sounds like a thrilling party, huh? Really regretting your laser tag or ice skating parties right about now, aren't you?

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Transcript

00:00

Thank you We sneak and here's your shmoop toos your

00:05

brought to you by magic physics and magic are actually

00:08

kind of similar except in physics There's A lot less

00:11

sawing people in half Yeah all right For susie six

00:14

birthday her parents decided to hire a physics magician for

00:17

entertainment The opening act of einstein owe the great is

00:21

to create gravity He pulls out two rocks each weighing

00:24

four kilograms and twelve kilograms respectively and places them four

00:28

meters apart huh Expressed in terms of g what is

00:33

the magnitude of gravitational force between the two rocks and

00:38

hear the potential answers Three things i will to answer

00:43

this question we need to remember isaac newton's law of

00:45

universal gravitation Sir isaac taught the world that the force

00:49

of gravity is equal to the gravitational constant times the

00:53

product of the masses of the two objects divided by

00:57

the square of the distance between the objects Right So

01:01

the equation looks a little something like this right here

01:04

So now all we're left to do is plug in

01:06

the numbers Well the masses of the two objects are

01:08

four kilograms and twelve kilograms And when we multiply those

01:12

together we get yes Forty eight kilograms The distance between

01:18

the objects is four meters So when we square that

01:21

we get sixteen meters Last thing to do is divide

01:24

forty eight by sixteen which comes out to three making

01:26

a three g The correct answer Remember physics might seem

01:30

like magic sometimes but we can learn to make sense

01:32

of it We don't even have to smoke and door 00:01:35.279 --> [endTime] mirrors Teo

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