Recent content by lonelygirl

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    What's the magnitude of the magnetic force acting on the particle?

    Lorentz force = Electric force + Magnetic force right? Can you do me the first step please? i know its concept but still didn't get it :(
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    What's the magnitude of the magnetic force acting on the particle?

    i have no idea how to start it could please give some hints :-( thanks
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    What's the magnitude of the magnetic force acting on the particle?

    hey physics experts could you help me out with these two problems please? 1/ A positively charged particle of mass 5 x 10^-5 kg is traveling due east with a speed of 80 m/s and enters 0.3 T uniform magnetic field. The particle moves through one quarter of a circle in a time of 2 x 10^-2s, at...
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    How Do I Solve These Physics Problems on Center of Mass and Momentum?

    Awwwwww my daughter got fever again :( I'm going to die, i don't know if i can make it on Monday I'm so frustrating now If i still can't figure it out by tonight I'll just ask for the answer then because i don't have time on the weekend :( Here's my email: lonelygal_2@yahoo.com Thank...
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    How Do I Solve These Physics Problems on Center of Mass and Momentum?

    Here is how I've done to #3 J = 2(0.047kg)(45m/s)cos30 = 3.66m/s
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    How Do I Solve These Physics Problems on Center of Mass and Momentum?

    I have been missing for class 3days and i was get lost because my daughter gets sick in the past weeks :cry: :( until todate. The problems i need everyone helps below are just a sample exam. I have contact my professor about my family problems and he was nice, gave me the sample exam which it's...
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