- #1

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My teacher made this problem but I'm trying to solve it and I need final velocity to find the answer and its not given.

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- Thread starter cheater1
- Start date

- #1

- 34

- 0

My teacher made this problem but I'm trying to solve it and I need final velocity to find the answer and its not given.

- #2

- 4,662

- 7

1) Final proton energy

2) Final alpha energy (or velocity)

3) Final alpha angle

But you also have 3 conserved quantities. Can you name them?

Bob S

- #3

- 34

- 0

1) Final proton energy

2) Final alpha energy (or velocity)

3) Final alpha angle

But you also have 3 conserved quantities. Can you name them?

Bob S

kinetic, momentum , can't think of the last one.

- #4

- 71

- 0

you only need conservation of momentum

- #5

- 34

- 0

you only need conservation of momentum

I don't know initial and finial speed.

- #6

- 353

- 0

I don't know initial and finial speed.

You know kinetic energy, you should know the proton mass, so you can compute initial velocity.

- #7

- 4,662

- 7

You have 3 unknowns:

1) Final proton energy

2) Final alpha energy (or velocity)

3) Final alpha angle

But you also have 3 conserved quantities. Can you name them?

Momentum is a vector quantity. Does this help?kinetic, momentum , can't think of the last one.

Bob S

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