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# Velocity of a charge moving in a magnetic field

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The problem states:

A particle with a charge of -5.90 * 10^-9 C is moving in a uniform magnetic field B(vector) = -(1.25 T) k (hat). The magnetic force on the particle is measured to be F(vector) = -(4.00 * 10^-7 N) i(hat) + (7.60 * 10^-7 N) j(hat).

1. Are there components of the velocity that are not determined by the measurement of the force?

Yes or No

2. Calculate the x-component of the velocity of the particle.

3. Calculate the y-component of the velocity of the particle.

4. Calculate the scalar product v(vector) * F(vector.

5. What is the angle between v(vector) and F(vector)? Give your answers in degrees.

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#### Solution Preview

Please see the solution to your problem in the file 'Solution_Velocity_of_charge_mag_field.doc'.

Physics, Electricity, Magnetism and Waves
Year 2
velocity of a charge moving in a magnetic field
Hello,

I'm having difficulty understanding the whole vector notation thing and how to compute forces or velocities accordingly. Honestly, I need major help (this is the second time i take the course after failing the first time) so if anyone out ther can help 100% i'm willing to increase the bids..

Thank you.

The problem states:

A particle with a charge of -5.90 * 10^-9 C is moving in a uniform magnetic field B(vector) = -(1.25 T) k (hat). The magnetic force on the particle is measured to be F(vector) = -(4.00 * 10^-7 N) i(hat) + (7.60 * 10^-7 N) j(hat).

1. Are there components of the velocity that are not determined by the measurement of the force?
Yes or No

2. Calculate the x-component of the velocity of the particle.
3. Calculate the y-component of the velocity of the particle.
4. Calculate the scalar product ...

#### Solution Summary

The solution goes over a number of vector calculations including calculating the components and the angles between vectors.

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