Answers>Physics>A Level>Article

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

1920 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

Two current carrying wires are placed next to each other and anti-parallel currents are allowed to flow. Is the magnetic force between the wires attractive or repulsive?

Answered by

Derive the kinetic theory equation pV=Nm/3(crms2) for an ideal gas.

Answered by Maryna V.

The Heisenberg Uncertainty principle states that ΔxΔp > h/4π. What is represented by the terms Δx, and Δp? What can we say about p if the precise value of x is known? What does this mean for experimental results.

Answered by Daniel H.

What is the definition of the photoelectric effect?

Answered by Chris D.

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences