Recent content by Lavalamp22

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    What Forces Act on the Body During a Chin-Up?

    The question's wording is confusing me, but I understand what you mean. So it would be: .15=(0*.5)+1/2a(.5^2) a=1.2 F=(77.55)(1.2) F=93.06N+760N=853.06N? I only have 1 more attempt to answer the question before it will put a 0 as the grade, so please let me know if this is the correct...
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    What Forces Act on the Body During a Chin-Up?

    Homework Statement People who do chin-ups raise their chin just over a bar (the chinning bar), supporting themselves only by their arms. Typically, the body below the arms is raised by about 30cm in a time of 1.0s , starting from rest. Assume that the entire body of a 760N person who is...
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    Relative Velocity Problem - Finding an angle of a boat going down a river

    Would love if anyone could help me figure out this problem, thanks.
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    Relative Velocity Problem - Finding an angle of a boat going down a river

    This was the exact wording on the test, unfortunately. The way he was explaining it, it seems like the boat was going against the river. So the boat would be going in a westward motion, while the river would be flowing eastward, or vice versa, while the boat was also going "downriver," so I...
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    Relative Velocity Problem - Finding an angle of a boat going down a river

    Homework Statement A boat is capable of a constant speed of 4 m/s in a river that is flowing at 2 m/s. If the captain wishes to land 10m downriver while crossing a 50m river, then at what angle should the boat be aimed? Homework Equations...
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