A Tunnel Through the Earth!



Just a cool thought experiment. If you drilled a hole straight through the earth, how long would it take a ball dropped in one side to come out the other. How fast would it be going? Let's do some interesting math and learn some things about harmonic motion (the ball would go back and forth between the openings like a harmonic oscillator or a spring/pendulum). Then we have a couple of surprises from the math... Here is the discord link: https://discord.gg/yPUgFMSpZ7 Join this channel to get access to perks: https://www.youtube.com/channel/UC68chxz-bc3e1gYq5WdfClA/join Donate to the Telescope Fund: https://www.patreon.com/posts/116418109 MEMBERSHIPS: https://www.patreon.com/c/bobthescienceguy/membership PayPal Link Telescope Link: https://www.paypal.com/donate/?hosted_button_id=JSAFP8KSRZDQQ Bob's Websites Check them OUT: Bob the Science Guy: https://www.youtube.com/user/drbob420 ResearchFlatMoon (the production channel): https://www.youtube.com/c/ResearchFlatMoon Slide Rules and Mathematics (STEM Education): https://www.youtube.com/channel/UCEXa89aIdG222z8ADB0e7GA Shamrock Banks Observatory: https://www.youtube.com/c/CommonSenseScience Please consider becoming a Patreon of the Channel- All money donated through paypal or from the patreons goes directly into improvements in the channel (computers, cameras, lights etc) or to create educational videos (sextants, telescope equipment, etc). https://www.patreon.com/bobthescienceguy Bob


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A Tunnel Through the Earth!

Just a cool thought experiment. If you drilled a hole straight through the earth, how long would it take a ball dropped in one side to com...