1. Tardigrade
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  3. Physics
  4. A particle having charge q and mass m is projected with velocity vecv = 2 hati - 3 hatj in a uniform electric field vecE = E0 . hatj. Change in momentum | Δ barp | during any time interval t is given by :

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Q. A particle having charge q and mass m is projected with velocity $\vec{v} = 2\hat{i} - 3\hat{j}$ in a uniform electric field $\vec{E} = E_0 . \hat{j}$. Change in momentum $| \Delta \bar{p} | $ during any time interval t is given by :

Electric Charges and Fields

Solution:

Impulse = mv - mu = Change in momentum
= force $\times$ time $qE_0 \times t = qE_0t$
= Change in momentum