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(a) What is the kinetic energy in MeV of a $\beta$ ray that is traveling at 0.998$c ?$ This gives some idea of how energetic a $\beta$ ray must be to travel at nearly the same speed as a $\gamma$ ray. (b) What is the velocity of the $\gamma$ rative to the $\beta$ ray?

$u^{\prime}=\frac{c-0.998 c}{1-\frac{(c)(0.998 c)}{c^{2}}}=c$

Physics 103

Chapter 31

Radioactivity and Nuclear Physics

Nuclear Physics

Rutgers, The State University of New Jersey

University of Washington

Simon Fraser University

McMaster University

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

03:21

What is the ratio of the v…

05:25

(a) Beta decay is nuclear …

10:24

$\mathrm{A}^{14} \mathrm{C…

03:40

A muon has a rest mass ene…

06:08

(a) Calculate the waveleng…

01:18

When $\beta^{+}$ and $\bet…

02:59

What energy (in MeV) alpha…

01:32

A photon with an energy $E…

04:53

03:08

(a) Find the velocity of …

04:41

(II) What is the speed of …

02:40

(a) Find the velocity of a…

02:56

04:14

(a) Find the speed an alph…

01:17

(II) An alpha particle (wh…

01:44

What is the total energy (…

05:16

Determine:a. The speed…

02:50

What is the total energy, …

11:02

In certain radioactive bet…

but a off the given problem. We are us to find the kind ticket energy so kind of energies even by alleged security in Ernie's Cool to, um 11 divided by the speed defector One hour of east square or C square times the risk moss. So the rest must be here. You're minus minus one whole time, M Lord C square. This is the rest of us or Electra. So it's obstructing the values. Arrest, Marce. We have a really is cool too. These Ah, 0.998 It's square. See? Score. C square will cancel out minus here and the rest. Moss. Energy off. Electron here we ever is 0.511 Megatron world, and find this expression gives us a say 1.57 mega electron world. So the kind of energy is so important to you and say 1.57 million. Like Ronald, uh, but me. We had asked to find their native velocity off a game of a scene by the better can read the names using lunchtime alleged electricity that is ah C minus 0.98 998 She derided by one minus C times are zero point on nine h c. Divided by C square. This is no tears, not C C square. So see, score. C square will cancel out So and then we are left with here. See, uh, this is the relative. Last year, off a game or a scene by the better end off the problem. Thank you.

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