a positron and an electron collide and make up a new particle which then enters

Question

a positron and an electron collide and make up a new particle which then enters with velocity u= 2*10^6 m/s perpendicularly in a magnetic field that varies with time as B= 5t T. find it's velocity after t = 1 nano second a positron and an electron collide and make up a new particle which then enters with velocity u= 2*10^6 m/s perpendicularly in a magnetic field that varies with time as B= 5t T. find it's velocity after t = 1 nano second a positron and an electron collide and make up a new particle which then enters with velocity u= 2*10^6 m/s perpendicularly in a magnetic field that varies with time as B= 5t T. find it's velocity after t = 1 nano second

Explanation / Answer

Ans net charge on the new particle is 0

sor the force on particle is given by = q(v x b)

q=0 F=0

so there is no accaleration hence the velocity eill remain constant with time = 2*10^6 m/s

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