A small 4 g plastic ball is suspended by a 23.2 cm long string in a uniform electric field 960 N/C as shown. The ball is in equilibrium when the string makes a 43◦ angle with the vertical. Find the relationship among θ, mg, and  q E.

Q: An alpha particle (a helium nucleus) is traveling along the positive x-axis at 1025 m/s when it…

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Q: C

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Q: A small object of mass 3.78 g and charge −17.8 ?C is suspended motionless above the ground when…

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Q: Write an expression for the magnitude of the electric field due to the charge distribution on the…

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Q: A small plastic ball of mass m = 1.00 g is suspended by a string of length L = 16.5 cm in a uniform…

A: Given- mass of ball = 1.00g or 0.001kg String Length =16.5 cm The string makes an angle θ= 17.5°…

Q: The electric field at point P is 5.9 x 1020 N/C @ 241o. What is the angle of the force experienced…

A: Given data The electric field is E=5.9×1020 N/C The angle of the electric field is θ=241o The charge…

Q: An electron is placed in a uniform electric field of 27nN/C directed north created by two horizontal…

A: Given: The electric field is 27 N/C. The distance between the plates is 136 fm.

Q: An alpha particle (a helium nucleus) is traveling along the positive x-axis at 1050 m/s when it…

A: As there is no force alonx horizontal so velocity along horizontal will remain constant. and due to…

Q: A pendulum consists of an insulating spherical mass m = 600.0g and a massless (very light)…

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Q: A small, rigid object carries positive and negative 5.00 nC charges. It is oriented so that the…

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Q: An alpha particle (a helium nucleus) is traveling along the positive x-axis at 1100 m/s when it…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: An alpha particle (a helium nucleus) is traveling along the positive x-axis at 1025 m/s when it…

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Q: The permanent electric dipole moment of the water molecule (H2O) is 6.2×10^−30 C⋅m What is the…

A: Dipole moment = P = 6.2 x 10-30 C. m electric field = E = 5 x 108 N/C maximum torque = τ=?

Q: A small, rigid object carries positive and negative 2.50-nC charges. It is oriented so that the…

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Q: An electron moves initially to the right as it enters a region between two parallel plates that have…

A: Given that: vh=6.00×106 m/sE=12.00 N/Ct=0.500 μC

Q: Two parallel conducting plates 13 cm on a side are given equal and opposite charges of magnitude 8.8…

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Q: Charge Q=3 nC is uniformly distributed around a conducting ring of radius 8 cm, as in the figure.…

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Q: Ch 18, Problem 44 A spring with an unstrained length of 0.071 m and a spring constant of 2.4 N/m…

A: The forces acting on the system are the electric force, spring force and the weight of the sphere.…

Q: The electric field

A: Given:Magnitude = 704 N/CThe plate separation = 4.06 cm

Q: What must the charge (sign and magnitude) of a particle of mass 1.43 g be for it to remain…

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Q: A small 7.00-g plastic ball that has a charge q of 1.70 C is suspended by a string that has a length…

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Q: A small plastic ball of mass m = 1.00 g is suspended by a string of length L = 24.5 cm in a uniform…

A: Required    charge(q)=?

Q: What must the charge (sign and magnitude) of a 3.45 gg particle be for it to remain stationary when…

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Q: A ball is attached to a filament of length L = 25.0 cm and suspended from the ceiling, as shown in…

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Q: A small object of mass 3.70 g and charge −19.6 ?C  is suspended motionless above the ground when…

A: Force on charge particle in electric field F=qE

Q: Problem 13:   An electron has an initial velocity of 5.15 × 106 m/s in a uniform 1.9 × 105 N/C…

A: A)The distance travelled before coming to rest is3.9×10−4mB)The time taken the electron to come to…

Q: A small object of mass 3.46 g and charge  −19.9 ?C is suspended motionless above the ground when…

A: We have givenMass of object (m)=3.46 g=3.46×10-3 kgand charge  (q)=-19.9 μCletE= magnitude of…

Q: A horizontal electron beam consists of electrons moving at 2000 m/s through two parallel, horizontal…

A: There is no force that acts on the electron beam in the x-direction because it has no field. vx…

Q: 2. A uniform electric field E is set up between two metal plates of length I and spacing d as shown…

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Q: A charged cork ball of mass 1.2g is suspended from a very light thread in a uniform electric field.…

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Q: An alpha particle (a helium nucleus) is traveling along the positive x-axis at 1200 m/s when it…

A: V = 1200 m R = 0.4 m E = 5.5 x 10-4 N/C To find = Distance travelled before hitting the wall

Q: (a) A ball is attached to a thread of length L = 24.2 cm and suspended from the ceiling, as shown in…

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Q: A small plastic ball of mass m = 2.50 g is suspended by a string of length L = 19.5 cm in a uniform…

A: Given data:  Mass (m) = 2.50 g = 2.50×10-3 kg Length (L) = 19.5 cm Angle (θ) = 14.0°,with the…

Q: A proton is projected horizontally midway between two parallel plates that are separated by 0.47 cm.…

A: Given Data:Separation of the plates Magnitude of electric field Length of the plates It is known…

Q: A small rubber sphere has a mass of 3.64 g and a charge of -18.6 µC. It levitates, motionless, when…

A: GivenMass of rubber ball(m)=3.64 g=3.64×10-3 kgCharge q=18.6×10-6 C

Q: A small plastic ball of mass m = 1.50 g is suspended by a string of length L=25.0 cm in a uniform…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.