Next, a particle with the same mass and velocity as the particle in Figure P24.59 enters the velocity selector. This particle has a charge of 2 q —twice the charge of the particle in Figure P24.59. In this case, we can say that A. The force of the electric field on the particle is greater than the force of the magnetic field. B. The force of the magnetic field on the particle is greater than the force of the electric field. C. The forces of the electric and magnetic fields on the particle are still equal.
Next, a particle with the same mass and velocity as the particle in Figure P24.59 enters the velocity selector. This particle has a charge of 2 q —twice the charge of the particle in Figure P24.59. In this case, we can say that A. The force of the electric field on the particle is greater than the force of the magnetic field. B. The force of the magnetic field on the particle is greater than the force of the electric field. C. The forces of the electric and magnetic fields on the particle are still equal.
Next, a particle with the same mass and velocity as the particle in Figure P24.59 enters the velocity selector. This particle has a charge of 2q—twice the charge of the particle in Figure P24.59. In this case, we can say that
A. The force of the electric field on the particle is greater than the force of the magnetic field.
B. The force of the magnetic field on the particle is greater than the force of the electric field.
C. The forces of the electric and magnetic fields on the particle are still equal.
Steel train rails are laid in 13.0-m-long segments
placed end to end. The rails are laid on a winter
day when their temperature is -6.0° C.
Part A
How much space must be left between adjacent rails if they are just to touch on a summer day when their
temperature is 32.0°C?
Express your answer with the appropriate units.
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μΑ
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D =
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Part B
If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is
32.0°C?
Express your answer in pascals. Enter positive value if the stress is tensile and negative value if the
stress is compressive.
F
A
Ο ΑΣΦ
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Ра
help me with this and the step I am so confused. It should look something like the figure i shown
Part A
In an effort to stay awake for an all-night study
session, a student makes a cup of coffee by first
placing a 200 W electric immersion heater in
0.250 kg of water.
How much heat must be added to the water to raise its temperature from 20.5° C to 95.0°C?
Express your answer in joules.
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Q
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Part B
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J
How much time is required? Assume that all of the heater's power goes into heating the water.
Express your answer in seconds.
VG ΑΣΦ
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t =
S
Chapter 24 Solutions
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