Physics Lesson: Gravitational Orbital Energy Part 1 Planetary Mechanics High School Tutorial

[CVasquez112]

OMG thx so much from colombia these helped me pass the class :D

[happydaze24]

Your videos are really awesome, simple and effective! I am studying for my exams now and these videos really help. thank you so much!!:)

from singapore!

[PhysicsEH]

@happydaze24 Hi. Thanks for taking the time to let us know. We are glad to help. Good luck with your exam.

[InterplayDesigns]

yes ur the best

[ted1872]

hahhaha its the turkchickduck!!

[mchang90]

isn't it 2.0x10^8 joules in delta Et

[PhysicsEH]

@mchang90 OOPS! You seem to be right. I'll make a note on the video. Thanks for letting us know, we like to fix any mistakes. It will change the answer but the method is correct.

[iseedotapeople]

ohhh i remember this :D

[rollsthepaul]

The mass of the Moon must be much lower than it's size suggests because it orbits much too close to Earth. The Moon is hollow.