# physics

posted by .

for an atom of mercury, an electron in the 1s shell has a velocity of about 58% of the speed of light. If the mass of the electron at such speed is 1.23 Me and the uncertainty in velocity is 1000 m/s, what is the uncertainty in position of this electron

## Similar Questions

1. ### CHEM

The mass of an electron is 9.11*10^-31kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31*10^-10m, how fast is the electron moving relative to the speed of light?
2. ### fau

The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light?
3. ### Chemistry

Ok an atom loses an electron becomes positive-atom gainin electron becomes negative?
4. ### physics modern

1. a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. b) If a photon and an electron each have the same wavelength of 250 nm, find the energy of each. c) You want to study an organic molecule …
5. ### physics

Let's assume you use green light (λ = 550 nm) to look at an electron. What is the uncertainty in determining the electron's velocity?
6. ### chem

The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light?
7. ### physics

An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 × 107 V. The mass of the electron is 9.11 × 10-31 kg, and the negative charge of the electron has a magnitude of 1.60 × 10-19 C. (a) …
8. ### uncertainty principle

an electron inside spherical metallic particle of volume 10^ -12 metre cube has a kinetic energy about 10 eV. use uncertainty relations to find relative uncertainty in electron velocity .
9. ### physics

an electron inside spherical metallic particle of volume 10^ -12 metre cube has a kinetic energy about 10 eV. use uncertainty relations to find relative uncertainty in electron velocity
10. ### Chemistry

If the maximum velocity v of an electron in copper wire is about 2.0x10^8 cm/s, with an uncertainty ≤ 1%, how accurately can the electron's position be determined?

More Similar Questions