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Gravitational Potential Energy Problems

In this video I solve Gravitational Potential Energy Problems. The formula for GPE is mass times gravity ( 9.8 m/sec) times the height. I work three times of problems including finding the mass and the height. 00:00 Introduction GPE Problems 00:18 What is the GPE of a rock of 2kg when it is lifted 11 meters off the ground? 02:07 A light fixture has a mass of 4 kilograms falls from the ceiling and strikes the floor with a force of 800 joules. How high was the light fixture? 04:21 A box of paper falls from a shelf 4 meters high and hits the floor with a force of 132.3 joules. How much did the paper weigh? For more Math help visit our website http://www.moomoomath.com/ English This video has been dubbed using an artificial voice via https://aloud.area120.google.com to increase accessibility. You can change the audio track language in the Settings menu. Spanish Este video ha sido doblado al español con voz artificial con https://aloud.area120.google.com para aumentar la accesibilidad. Puede cambiar el idioma de la pista de audio en el menú Configuración. Portuguese Este vídeo foi dublado para o português usando uma voz artificial via https://aloud.area120.google.com para melhorar sua acessibilidade. Você pode alterar o idioma do áudio no menu Configurações.