Recent content by itsjustwhoiam

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    Momentum of Bird on Swing after takeoff

    what exactly should i do?
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    Momentum of Bird on Swing after takeoff

    i atteched a pic of my work http://img210.imageshack.us/my.php?image=60065498yf7.jpg http://img210.imageshack.us/img210/76/60065498yf7.jpg http://g.imageshack.us/img210/60065498yf7.jpg/1/
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    Momentum of Bird on Swing after takeoff

    1.problem A 94 kg fullback moving east with a speed of 9.0 m/s is tackled by a 99 kg opponent running west at 3.0 m/s, and the collision is perfectly inelastic. (a) Calculate the velocity of the players just after the tackle. ___________________ m/s to the east (b) Calculate the decrease in...
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    Question on Conservation of Energy

    wait am i right? or did you start with the total and how did you do that (why the 5 times)?
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    Question on Conservation of Energy

    ohhhh i see know you did them separate as: 65*9.8*2.5 = 1592.5 and 50*9.8*2.5 = 1225 wow! thank you very much
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    Question on Conservation of Energy

    thank you for explaining it clearly BUT what/why is the (5m-5m sin30)? heres where i got lost: 115 * 9.8 * [sin(30)*5] = 563.5 but you got 2817.5, which is 5x greater? why the extra 5*?
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    Question on Conservation of Energy

    1. Tarzan and Jane, whose total mass is 115.0 kg, start their swing on a 5.0 m long vine when the vine is at an angle of 30.0° with the horizontal. At the bottom of the arc, Jane, whose mass is 50.0 kg, releases the vine. What is the maximum height at which Tarzan can land on a branch after his...