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Posts by energy

Total # Posts: 4

physics
determine the kinetic energy of a boy mass 40kg running with velocity of 3m/s

science
what uses both heat and sound. what uses both heat and electric what uses heat and kinetic. please help

science
heat and sound products electric and heat products kinetic and heat products ex.electric and sound ipod mp3 wii laptop tv please help!

physics
1. A student is dragging a 5 kg box along the floor. He pulls on the rope with a 25 Newton force. The rope is 37 degrees above horizontal. As the box slides 10 meters, it goes from a speed of 3 m/s to a speed of 7 m/s. a.) calculate the normal force on the box b.) calculate ...

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