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Recitation_07

# Recitation_07 - Recitation 7 1/6 Physics Topics Kinematics...

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Recitation 7 1/6 Phys 218 Physics Topics Kinematics Linear Motion Circular Motion Forces constant acceleration static equilibrium (no acceleration) centripetal acceleration Work Conservation of Energy Conservation of Momentum

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Recitation 7 2/6 Phys 218 Example 1 Ball 2 is moving in the x-direction with a given velocity of 1 m/s. Ball 1 is thrown with a velocity of 5 m/s in the x-direction so that Ball 1 hits Ball 2. Ball 2 is observed to move off at an angle θ 2 = 48° below the x-axis with a velocity of 4 m/s. (a) What is the x- component of Ball 1’s final velocity? (b) What is the y- component of Ball 1’s final velocity? (a) v f1x = __________ (b) v f1y = __________ 3.32 m/s 2.97 m/s
Recitation 7 3/6 Phys 218 Start End h h Start End h h A) Start End h h B) Start End h h C) D) Question 1 A cart is on a frictionless track and has initial velocity v 0 . In which of the following pictures does the cart have the largest final kinetic energy and velocity?

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Recitation 7 4/6 Phys 218
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Recitation_07 - Recitation 7 1/6 Physics Topics Kinematics...

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