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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: 3.5 Fields in Space 171 Views


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Description:

Aaaaaand we have liftoff! On another shmoopy question, that is. Take a look at this question and see if you can figure it out. Don't worry if you can, just say "Shoomp-ston, we have a problem" and we'll help you out. 

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English Language

Transcript

00:00

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

00:05

brought to you by the speed of light And you

00:07

thought ferraris were fast All right a spaceship is blasting

00:12

off on a brave mission to explore the planet zebo

00:17

as it breaks free of earth's atmosphere Which of the

00:19

following is true about the situation Select two answers your

00:23

tens ones All right Well there are two important things

00:27

we need to remember in order to answer the question

00:29

The first is that if something has mass than it

00:31

has gravity it doesn't matter if that something is as

00:34

big as a star or a small is a pebble

00:37

We also need to remember the gravity doesn't go away

00:41

now the father away from an object we are the

00:43

less we feel the force of that gravity But that

00:46

doesn't mean the gravity has stopped After all we know

00:49

about the gravitational constant right Well with this knowledge in

00:52

our back pocket we can rule out option a or

00:55

a still exerts a gravitational pull on the spaceship All

00:58

right option d is incorrect to the spaceship doesn't begin

01:01

to generate its own gravity It's always generated its own

01:05

Gravity but the further away we get from the object

01:08

well yeah then the less gravitational force that object exerts

01:12

on this For example gravity on jupiter is two and

01:15

a half times stronger than gravity on earth but because

01:18

we're so far away from jupiter will never feel that

01:21

pull All right so option c is one of the

01:25

correct answers The gravitational force exerted by the earth decreases

01:28

as the spaceship travels further away Yeah and we're left

01:32

with option b is our other correct answer Wait is

01:35

dependent on gravity that's why things float in space where

01:38

gravity is weak but mass is mass It doesn't change

01:43

masses what an object is made of whether we're talking

01:46

about inertial mass or gravitational mass Gravitational mass refers to

01:50

a method of measuring mass but it doesn't change depending

01:52

on gravity So there we have it Our answers here 00:01:55.08 --> [endTime] a b and c

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