A particle of specific charge α is projected from origin with velocity →v=v0^i−v0^k in a uniform magnetic field →B=−B0^k. Find time dependence of velocity of the particle :
→v(t)=v0cos(αB0t)^i+v0sin(αB0t)^j−v0^k
→v(t)=−v0cos(αB0t)^i+v0sin(αB0t)^j+v0^k
→v(t)=−v0cos(αB0t)^i+v0sin(αB0t)^j−v0^k
→v(t)=v0cos(αB0t)^i+v0sin(αB0t)^j+v0^k
A
→v(t)=−v0cos(αB0t)^i+v0sin(αB0t)^j+v0^k
B
→v(t)=v0cos(αB0t)^i+v0sin(αB0t)^j−v0^k
C
→v(t)=−v0cos(αB0t)^i+v0sin(αB0t)^j−v0^k
D
→v(t)=v0cos(αB0t)^i+v0sin(αB0t)^j+v0^k
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