Recent content by jamesblim168

  1. J

    How to get the force?

    what do you mean?
  2. J

    How to get the force?

    Homework Statement you push a 25 kg box across a wooden floor at constant speed. how much force do you exert on the floor? (mu(k) = 0.20 Homework Equations Ff=<uFn The Attempt at a Solution this is wat i get so far mass = 25kg uk= .20 .20<.20x25 .20<5 is this correct? im confuse coz...
  3. J

    How to calcoulate force applied?

    Homework Statement if the coefficient of friction between a 30 kg metal block and the floor is 0.16, what force is required to roll this block across the floor at a uniform speed? how much work is done? find : weight of force, normal force, force applied and fricitional force Homework...
  4. J

    How to get initial and final velocity? need help thanks

    can anyone give me the formula's to use?
  5. J

    How to get initial and final velocity? need help thanks

    voko thank you... but i really dont understand hehehe sorry guys...
  6. J

    How to get initial and final velocity? need help thanks

    why are we talking abouit energy now? im getting more confuse... oh my god... help!!!
  7. J

    How to get initial and final velocity? need help thanks

    now its just got more complicated... hehehe can you just solve it then explain it to me why? really appreciate it voko... thanks
  8. J

    How to get initial and final velocity? need help thanks

    so your saying il make assumptions so theres no wrong answer here? outcome will depend on my assumptions?
  9. J

    How to get initial and final velocity? need help thanks

    is this the right formula for getting the initial velocity? Vo = V - at Vo - initial velocity V - Velocity a - acceleration t - time
  10. J

    How to get initial and final velocity? need help thanks

    but i still have to get the time for me to calculate initial velocity right? then how can i get the time? why is this sooo confusing... sorry guys...
  11. J

    How to get initial and final velocity? need help thanks

    what is the equation? what formula are you using to get the initial velocity?
  12. J

    How to get initial and final velocity? need help thanks

    so what is my initial veloctiy if my angle is 45 degress?
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