Recitation_10

Recitation_10 - Recitation 10 1/14 Phys 218 Physics Topics...

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Unformatted text preview: Recitation 10 1/14 Phys 218 Physics Topics Kinematics Forces Work Conservation of Energy Conservation of Momentum Torque (rotational) Energy (rotational) Momentum (rotational) Recitation 10 2/14 Phys 218 Example 1 A ball has a mass of 2 kg and a radius of 0.05 m. The period of the rotation of the ball is 0.2 s. What is the rotational kinetic energy of the ball? KE rot = ___________ 0.987 J Recitation 10 3/14 Phys 218 Example 2 A marble has a mass of 20 g and a radius of 0.02 m. Initially, the marble is rolling without slipping with a velocity of 2 m/s. The marble then rolls up a ramp. What is the maximum height that the marble get to before it stops and rolls backwards down the ramp? h = ___________ 0.285 m Recitation 10 4/14 Phys 218 A) Translational KE and Gravitational PE B) Translational KE, Rotational KE, and Gravitational PE C) Rotational KE and Gravitational PE At the starting position, what types of energy make up the total energy? (Which are not zero?) A disk is rolling without slipping down an incline as shown. Start End Question 1 Recitation 10 5/14 Phys 218 End A) Rotational KE and Gravitational PE B) Translational KE, Rotational KE, and Gravitational PE C) Translational KE and Rotational KE At the ending position, what types of energy make up the total energy? (Which are not zero?) A disk is rolling without slipping down an incline as shown....
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Recitation_10 - Recitation 10 1/14 Phys 218 Physics Topics...

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