An alpha particle is accelerated with 5MeV of kinetic energy towards the nucleus of a gold atom with atomic number 79. What is the distance of closest approach that is reached by the alpha particle?

45 femtometers to two significant figures

JM
Answered by Joshua M. Physics tutor

2123 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

How does a thermal nuclear reactor work?


What is an ohmic resistor? How to check if a resistor is ohmic?


A box initially at rest is on a plank, of length 5m, that is elevated at an angle such that tan(a)=3/4. When it reaches the end of the plank it has velocity 5ms^-1. Calculate the average frictional force on the box.


How do I calculate the hydrostatic pressure?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning