# Physics 2

A proton is accelerated from rest through a potential difference of 129 V.
Calculate the final speed of this proton. The mass of a proton is 1.673 × 10−27 kg and the elemental charge is 1.602 × 10−19 C .

1. 👍 0
2. 👎 0
3. 👁 311

## Similar Questions

1. ### physics

If a proton is accelerated from rest through a potential difference of 1500 V, find its final velocity. proton mass = 1.67 x10−27 kg

asked by angela on October 15, 2010
2. ### physics

Find the final speed gained by a proton when it is accelerated from rest through a potential difference of 100 volts. Also find its final kinetic energy in electron volt

asked by vipul on May 6, 2014
3. ### Physics

I never learned how to do these... An electron moves from one plate of a capaci- tor to another, through a potential difference of 2495 V. a) Find the speed with which the electron strikes the positive plate. Answer in units of

asked by christy on February 16, 2010
4. ### physics

Assume the proton is at rest initially. The charge on the proton is 1.602×10−19 C and its mass is 1.67 × 10−27 kg. If the magnetic ﬁeld is 2.85 T and the potential diﬀerence is 2.29 MV, ﬁnd the magnitude of the force

asked by Anonymous on March 13, 2013
5. ### physics

A proton of mass mp = 1.67 x 10-27 kg and charge +e = 1.60 x 10-19 C is accelerated from rest through an electric potential of 400 kV. What is its final velocity?

asked by Physics is a pain on February 2, 2011
6. ### physics

a proton starting from rest falls through a potential difference of 10^6v what is its final KE and final velocity?

asked by gull on November 16, 2010
7. ### physics

The electrons in a TV tube are accelerated from rest through a potential difference of 18kV. Esimate the speed of the electrons after they have been accelerated by this potential difference.

asked by tony on February 3, 2011
8. ### Physics

In proton-beam therapy, a high-energy beam of protons is fired at a tumor. The protons come to rest in the tumor, depositing their kinetic energy and breaking apart the tumor’s DNA, thus killing its cells. For one patient, it is

asked by Lisa on October 6, 2013
9. ### PHYSICS

An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 1.00 × 104 V. (a) Find the final velocity after the original acceleration period. (b) It then passes between two

asked by Arianne on February 24, 2010
10. ### chemistry

A particle wavelength (λp) of a proton is 10-12m. What is the velocity of this proton [m/s]? To achieved the velocity that you just computed, what must have been the potential difference (V) through which the proton was

asked by schoolgirl on March 23, 2013

More Similar Questions