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    hellakitty415's Avatar
    hellakitty415 Posts: 6, Reputation: 1
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    #1

    Sep 17, 2013, 01:15 PM
    Magnitude and Direction of Net Displacement Problem
    Susan found a nice bicycle on Craigslist and contacted the seller and arranged to pick it up. She got the following directions using Google Maps.
    1. Head EAST on E Butler Ave - 0.9 mi
    2. Turn RIGHT onto S Clovis Ave - 1.5 mi
    3. Turn LEFT onto E Jensen Ave - 7.0 mi
    4. Turn RIGHT onto Bethel Ave - 7.0mi
    5. Turn RIGHT onto E Manning Ave - 2.0 mi
    6. Turn LEFT onto S McCall Ave - 2.4 mi
    Assume all streets run either precisely east-west or precisely north-south. Determine the magnitude and direction of the net displacement.
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    hellakitty415 Posts: 6, Reputation: 1
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    #2

    Sep 17, 2013, 01:18 PM
    Average Speed Problem
    A driver speeds up from rest with an acceleration of 4.0 m/s^2 and reaches a speed of 20 m/s. The driver continues at this speed for 30s. Finally, the driver comes to rest with a deceleration of 2.0 m/s^2. What is the average speed of the car?
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    hellakitty415 Posts: 6, Reputation: 1
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    #3

    Sep 17, 2013, 01:20 PM
    Horizontal Distance of thrown ball
    A ball is thrown off a 12m high roof at an angle of 37 degrees above horizontal. The ball is in the air for 30s before it lands. How far does the ball travel horizontally during its flight?
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    hellakitty415 Posts: 6, Reputation: 1
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    #4

    Sep 17, 2013, 01:22 PM
    Acceleration Down an Incline
    A box slides down an incline. The incline angle is 37 degrees and the coefficient of kinetic friction between the box and the incline is 0.50. Determine the acceleration of the mass down the incline.
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    hellakitty415 Posts: 6, Reputation: 1
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    #5

    Sep 17, 2013, 01:24 PM
    Tension Problem
    A light wire is stretched horizontally between two poles separated by 4.0m. A pair of shoes hung midway between the poles bends the wire and causes the center to drop 0.50m. The weight of the shoes is 6.0N. What is the tension in the wire?
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    hellakitty415 Posts: 6, Reputation: 1
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    #6

    Sep 17, 2013, 01:26 PM
    Tangential Velocity Problem
    A tether ball is tired to a 2.6m light rope. The other end is attached to the top of a pole that is 3.0m high. The ball spins in a horizontal circle 2.0m above the ground. What is the tangential velocity of the ball?
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    ma0641 Posts: 15,675, Reputation: 1012
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    #7

    Sep 17, 2013, 01:28 PM
    Read the sticky about homework!
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    Curlyben Posts: 18,514, Reputation: 1860
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    #8

    Sep 17, 2013, 01:37 PM
    What do YOU think ?
    While we're happy to HELP we won't do all the work for you.
    Show us what you have done and where you are having problems..
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