Homework Statement
A mass on a horizontal friction-free air track is accelerated by a string attached to another 10kg mass hanging vertically from a pulley. Suppose the masses described are 1kg and 100kg. Compare the acellerations when the masses are interchanged, that is, for the case when...
I tried the second way you described (Vertical Component/Gravity=Time) and got 1.56 (forgot to mention that we're supposed to use 10m/s^2 as gravity due to acceleration rather than 9.8) Multiplied by 9 that's 14.04, and the book says the answer is 14.0 so I believe that that's the answer...
Homework Statement
Your friend is standing on the roof of his house, which is 11.5 meters off the ground. You are standing some distance away from the house and you kick a soccer ball at a total initial velocity of 18.0 m/s @ 60 degrees above the horizontal from ground level. If the soccer...
Homework Statement
Your friend is standing on the roof of his house, which is 11.5 meters off the ground. You are standing some distance away from the house and you kick a soccer ball at a total initial velocity of 18.0 m/s @ 60 degrees above the horizontal from ground level. If the soccer...
Oh, I understand now. I somehow overlooked gravity. The rest of the explanation makes sense too... no wonder nothing came up when I searched for the "tension formula". Thanks!
Hello... I'm brand new to Physics, going into 9th grade and got put into AP Physics BC so I got a large packet of Physics work and was told to learn the material and do all the work. I've been sort of stressed out since I barely understood half the questions, much less knew where to begin...