# Velocity And Acceleration Vectors Of Charged Particle Moving Perpendicular To The Direction Of A Magnetic Field At A Given Instant Of Time Are V = 2i + Cj And Z = 3i + 4j Respectively. What Is The Value Of C?

Velocity is perpendicular to the acceleration.

Therefore,

$$\Rightarrow \vec{v}.\vec{a} = 6 + 4 * c$$

$$\Rightarrow c = \frac{-6}{4}$$

$$\Rightarrow c = -1.5$$

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