L5-Polar_1

L5-Polar_1 - Lesson 5 Polar Coordinates W09 Admin Online...

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Lesson 5 Polar Coordinates W09
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Admin Online Quiz Any difficulties? HW due Friday Team HW on Monday No office hour on Friday (out of town, will still do online office hour)
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I am most confused about… Direction of acceleration MADs How would speed affect slipping up the ramp? Why acceleration is normal to velocity
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ma n ma y MAD e n e y What is the tangential direction? What is the normal direction?
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In a carnival ride, chairs swing about a vertical axis with a constant angular velocity so the swing rope is inclined at 65 o to the vertical as shown. The rope is 40 ft long, the combined weight of the rider and chair is 180 lb, and the weight of the rope may be neglected. Determine the tension T in the rope and the linear velocity of the chair and rider.
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What coordinate system for the figure shown?
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The boat starts from rest and increases its speed according to ks, where s is the distance it has travelled . If it is travelling in a radius R, what is the acceleration vector after it has travelled around the circle twice?
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p_03_019 μ s is 0.30. Determine minimum stopping distance s which the truck can have from a speed of 70 km/hr with constant deceleration if the crate is not to slip forward.
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What coordinate system for the figure shown? You are to find the total acceleration of the boy.
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I am most confused about… Which equations for each problem, how to start the problem Trouble memorizing equations When to use various formulas (ads=vdv)
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a8 – what is driver doing? a7 – what is driver doing?
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This note was uploaded on 01/22/2011 for the course ME 212 taught by Professor Staff during the Spring '05 term at Cal Poly.

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L5-Polar_1 - Lesson 5 Polar Coordinates W09 Admin Online...

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