A small object with a mass of 350. µg carries a charge of 30.0nC and is suspended by a thread between the vertical plates ofa parallel-plate capacitor. The plates are separated by 4.00 cm.If the thread makes an angle of 15.0° with the vertical, what isthe potential difference between the plates?

Question
Asked Dec 18, 2019
1 views
A small object with a mass of 350. µg carries a charge of 30.0
nC and is suspended by a thread between the vertical plates of
a parallel-plate capacitor. The plates are separated by 4.00 cm.
If the thread makes an angle of 15.0° with the vertical, what is
the potential difference between the plates?
help_outline

Image Transcriptionclose

A small object with a mass of 350. µg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 4.00 cm. If the thread makes an angle of 15.0° with the vertical, what is the potential difference between the plates?

fullscreen
check_circle

Expert Answer

Step 1

The free body diagram is shown below

help_outline

Image Transcriptionclose

T cose ·Eq T sine mg

fullscreen
Step 2

The expression for applied force is given by

help_outline

Image Transcriptionclose

E = F = Eq Here Eisthe appliedlectricfield andqisthe charge ||

fullscreen
Step 3

Weight of the smal...

help_outline

Image Transcriptionclose

W = mg Heremis themass and gis the accelerati on due to gravity

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Electrostatic Potential and Capacitance

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: An electron is at the origin. (a) Calculate the electric potential VA at point A, x = 0.250 cm. (b) ...

A: Given,

question_answer

Q: Yosemite Falls in California is about 0.740 km high. What average power would it take for a 73.0-kg ...

A: The average power required for a person to hike up to the top of Falls is

question_answer

Q: Why does a rope climber pull downward on the rope to move upward?

A: Newton’s third law of motion says that, for every action, there is an equal and opposite reaction.

question_answer

Q: A home run is hit in such a way that the baseball justclears a wall 21 m high, located 130 m from ho...

A: (a) The time to reach the fence is

question_answer

Q: Explain why, under static conditions, all points in a conductor must be at the same electric potenti...

A: Click to see the answer

question_answer

Q: Two blocks are con- nected by a light string that passes over two frictionless pulleys as in Figure ...

A: The maximum compression occurs when kinetic energy of the system will be zero.Let d be the maximum c...

question_answer

Q: In Figure P4.63, the light, taut, unstretchable cord B joins block 1 and the larger-mass block 2. Co...

A: The force exerted by cord A on block 1 is greater than the force exerted by cord B on block 2.

question_answer

Q: Two forces are applied to acar in an effort to move it,as shown in Figure P4.12.(a) What is the resu...

A: Given

question_answer

Q: Fingerprints left on a piece of glass such as a windowpane can show colored spectra like that from a...

A: the fingerprints on a piece of glass acts like a diffraction grating because they are opaque to the ...