Hunus
  • Hunus
Question
Physics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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Hunus
  • Hunus
"imagine that we hae measured the inertial masses of a proton and an electron, separately, and that we then let them come together to form a hydrogen atom. Is the inertial mass of the atom equal to the sum of the masses of the electron and proton? No; it is a shade less. Why? Because in the formation of the atom with the binding together of the proton and electron, the equivalent of a tiny amount of mass escapes in the form of radiation." Can someone explain why this is?
anonymous
  • anonymous
how to make graphs of positive and negative accelration
Hunus
  • Hunus
How do you mean?

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Hunus
  • Hunus
How does one go about constructing an acceleration vs. time graph?
anonymous
  • anonymous
actually, i get confused about slopes in 4th quadrant
Hunus
  • Hunus
What is it that confuses you?
anonymous
  • anonymous
i dont know
Hunus
  • Hunus
If you give me an example of what confuses you I will be glad to help
anonymous
  • anonymous
a ball thrown up and caught back
Hunus
  • Hunus
And you want to graph the acceleration of the ball?
anonymous
  • anonymous
yes
Hunus
  • Hunus
|dw:1330768987896:dw|
anonymous
  • anonymous
no
Hunus
  • Hunus
What do you mean no?
anonymous
  • anonymous
direction of accelration is different when ball goes up and down
Hunus
  • Hunus
The direction of acceleration due to gravity is always negative. The force of gravity is always pulling the ball back toward earth.
anonymous
  • anonymous
if acc. is negative so why didnt you plot it in 4th quadrant
Hunus
  • Hunus
That is the fourth quadrant. I didn't includ the second and third because that would include a negatve value for time.
anonymous
  • anonymous
ok .
anonymous
  • anonymous
thank u
Hunus
  • Hunus
You're welcome. :)

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