Physics Answers

A helium nucleus and neon nucleus are separated by a distance of 3.0 nanometers. The charge of the helium nucleus is +2e while that of neon nucleus is +10e. Find the magnitude of the electrostatic force they exert to one another.

two (2) nickel coins with identical charges are separated by 1.5 m. If the forces exerted by the coins to one another are both 2N, what is the charge on ech coin?

what is the force of repulsion between two(2) argon nuclei that are separated by 1x10^-9 m? The charge of one argon nucleus is +18e.

Identify whether the concrete, dirty water, tin cans, and CD and DVD are ohmic or non ohmic.

A 125 m long transmission wire is stretched between two vertical posts. It carries a current of 35.0 A and experiences a force of 0.25 N due to Earth's magnetic field. What is the value of Earth's magnetic field at the location of the wire if the wire is 60° with it?

A-6nC particle is moving at 4.0 x 10⁴ m/s along the positive z-axis. It passes a region indeflected where there is uniform electric and magnetic fields. The electric field is 5.75 x 10⁵ N/C along the negative x-axis. What is the magnitude and direction of the magnetic field?

A 12.4 uF capacitor is connected through a 0.895-MΩ resistor to a constant potential difference of 60.0V.

a. Compute the charge at the following times after the connections are made: 5.0s,10.0s,20.0s,and 100.0s.

b. Compute the charging currents at the same instants.

Two point charges are brought together as shown below. Calculate the electric potential energy between the two charges if q₁=2 nC and q₂= 3 nC.

1-5. Two point charges, q1 = 8 µC and q2 = -5 µC, are separated by a distance r = 0.1 m. What is the magnitude of the electric force? Note: 1 µC = 10-6 C.

the metal plates of capacitor a has an area of 1m^2 separated by a diatance of 0.002m. if a pyrex glass is inserted in between the plates, (a) what will be the change in capacitance? (b) how much energy was stored after insertion if it has a potential difference of 12v?