Question #12866

Here are the equation used in the problem:

1. E=hf

2. C=λf

3. K=hf-Φ

4. λ=h/p

5. ΔE=(ΔM)c^2

The questions are

1.K is not allowed to be a negative mean it must be positive. Find the minimun value of f that works for the third equation if Φ is 4.3 x 10^-19J.

2. Find f using the first and last equation. Assume E=ΔE and that Δm= 8.3 x 10^-31 kg

I am returning back to college after 4 years. It will really mean a lot if you can give a hand. Thanks

1. E=hf

2. C=λf

3. K=hf-Φ

4. λ=h/p

5. ΔE=(ΔM)c^2

The questions are

1.K is not allowed to be a negative mean it must be positive. Find the minimun value of f that works for the third equation if Φ is 4.3 x 10^-19J.

2. Find f using the first and last equation. Assume E=ΔE and that Δm= 8.3 x 10^-31 kg

I am returning back to college after 4 years. It will really mean a lot if you can give a hand. Thanks

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