Recent content by tinnguyen123

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    Total Displacement with directions

    lol omfg >.< thank you.. lame! so its a phi angle..
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    Total Displacement with directions

    Homework Statement A car is driven east for a distance of 48 km, then north for 26 km, and then in a direction 30° east of north for 28 km. Draw the vector diagram and determine the total displacement of the car from its starting point and its direction. Homework Equations im not...
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    How Can I Build a Cost-Effective Air-Powered Projectile Launcher?

    bump...:cry:
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    How Can I Build a Cost-Effective Air-Powered Projectile Launcher?

    Homework Statement i need to built a launcher to shoot anything(no sharp object, bb bullets, or must be bigger then 5mm) out for about 55 Meters... the only force i can use to launch the "object" is airs that are inside a 2Liter coke bottle... every other material is ok.. PS: I am not...