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Physics
07.03.2022 17:37
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Is a shadow a real or a virtual image? Thank you!

Is a shadow a real or a virtual image? Thank you!
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kamelyawarren1
kamelyawarren1
5,0(15 marks)

Virtual image

KallMeh
KallMeh
5,0(35 marks)

145 degree

Explanation:

We are given that

Magnetic field=B=2 T

Charge on particle,q=-1.75\times 10^{-8} C

Velocity, v=44.5 km/s

Angle,\theta=55^{\circ}

We have to find the direction of the force  exerted on this particle by magnetic field with magnitude 2 T in the z direction.

Component of velocity along x- axis

v_x=vcos\theta=44.5 cos55=25.53 km/s

Along y- axis

v_y=-44.5sin55=-36.45km/s

\theta=tan^{-1}(\frac{-36.45}{25.53})

\theta=tan^{-1}(-1.4277)=-55^{\circ}=180-55=145^{\circ}

Hence, the direction of force =145 degree

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