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 = 0.5mv2 [1] v = 3x108 * 0.95 = 2.85x108 [1] KE = 0.5 * 1.67x10-27 * (2.85x108)2 [1] KE = 6.782 x10-11 J [1]
TF
Related Physics A Level answers
All answers ▸A rock has a mass of 100g and it is thrown across a pond at a speed of 30ms^-1. Calculate the de Broglie wavelength of the rock and explain whether you can see the wave produced.
State Faraday's law of electromagnetic induction
A car moves from rest and accelerates uniformly at 4m/s/s, how far will it have traveled after 10 seconds?
Why does a body engaged in uniform circular motion do no work?