Physics, 27.05.2020 16:57 matpakootas521
Write down two separate equations for Newton’s second law with static friction: one for forces pointing along the track and one for forces pointing perpendicular to the track. Do some forces appear in only one of the Newton’s law equations? For forces that have some component in both, make sure you break down those force vectors correctly in the equation.
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Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
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Physics, 22.06.2019 11:30
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Write down two separate equations for Newton’s second law with static friction: one for forces point...
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