Recent content by Mahkoe

  1. M

    How come water in a cup won't shoot out of a straw placed inside it?

    The water doesn't shoot out because the atmosphere is pressing down on it evenly. And the pressures are the same, but the forces are different. I know by experience that the water won't shoot out of the straw, but I don't know why in terms of physics models. I know you're trying to hint me to...
  2. M

    How come water in a cup won't shoot out of a straw placed inside it?

    I've been learning about pressure and fluid dynamics, and I've stumbled onto a problem. Say you have a straw in a cup. The surface area of the water in the cup is much greater than that of the straw. So I would expect Atm. Pressure × Large Area gives a much greater force than Atm. Pressure ×...
  3. M

    Could someone explain why work is force times distance?

    That really helped. Thanks! Do these forums have reputation system (such as the kudos in dream.in.code)?
  4. M

    Could someone explain why work is force times distance?

    Alright then. Anyone know how to mark a thread as solved? Thanks
  5. M

    Could someone explain why work is force times distance?

    So it's just a derivation of other principles? I thought maybe there was an intuition behind it
  6. M

    Could someone explain why work is force times distance?

    I was wondering if someone could help me out with understanding the intuition behind multiplied units. For example, with speed, the units are divided (distance/time, m/s, etc.). The unit means how many meters you go in one second, which is the value received after dividing the distance by...
  7. M

    Why is jerk the change in acceleration over time?

    Okay, I understand now. But then, how is jolt used in the example of the ball on the 20kg planet? How do you calculate the jolt, and is it the same for every altitude and initial velocity? Thanks for all the help, btw
  8. M

    Why is jerk the change in acceleration over time?

    Sorry to be the freak here, but "That's all there is to it" is not good enough for me
  9. M

    Why is jerk the change in acceleration over time?

    You've just said that if the initial velocity is greater, the acceleration will change more with time, meaning the jerk is greater. Maybe I was never told that jerk is not something constant, that it is found with the initial vertical velocity?
  10. M

    Why is jerk the change in acceleration over time?

    But here's the thing; when the initial velocity is faster, the radial distance will change more with time. You're probably right, but I really don't understand
  11. M

    Why is jerk the change in acceleration over time?

    Recently I found out about jerk (or jolt). I've found that it represents the change in acceleration over time. To me, this makes no sense at all. To me, the change in acceleration is directly related to the radial distance between the two objects (if the forces acting on or imaginary objects are...
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