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 ▸

What is the de Broglie wavelength? Why do we care?


What path would a charge moving in the x-y plane track, in the presence of a uniform magnetic field out of the page?


A 1.6m long string fixed at both ends vibrates at its fundamental frequency... (i)what is this frequency?


What is the difference between nuclear fusion and nuclear fission?