Question

an electron and proton have same kinetic energy how will their momentum be related​

Answer 1

K.E = 1/2

m1v1square = 1/2m2v2square

P =m1v1 = m2v2

m1/m2=(v1/v2)square

m1=m2v1/v2

P = m2v1/v2×v1

P = m2v1square/v2

#P means momentum (p) not pressure (P).