Calculate the kinetic energy of a proton moving at 95% of the speed of light. (c = 3x10^8 m/s, m_p = 1.67x10^-27 kg) [4 marks]

KE = 0.5mv[1] v = 3x10* 0.95 = 2.85x10[1] KE = 0.5 * 1.67x10-27 * (2.85x108)2  [1] KE = 6.782 x10-11 J [1]

TF
Answered by Tom F. Physics tutor

7289 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

What is escape velocity?


A DVD is dropped from rest. The DVD does not reach terminal velocity before it hits the ground. Explain how the acceleration of the DVD varies from the instant it is dropped until just before it hits the ground.


Why do atoms larger than iron release energy when they undergo fission?


Why is the centripetal force necessary for circular motion?


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:

© 2026 by IXL Learning