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An electric field with a magnitude of 2.20 𝑘𝑁/𝐶 is applied along the x-axis. Calculate the



electric flux through a rectangular plane 0.77 m wide and 1.44 m long assuming that (a) the



plane is parallel to the yz plane; (b) the plane is parallel to the xy plane; (c) the plane



contains the y axis, and its normal makes an angle of 26.7° with the x axis.

The critical magnetic field is 5×10^3 A/m .Calculate the transaction temperature when critical field is 2×10^4 A/m at 0 Kelvin.

A point equilibrium is reached by three forces as in the diagram below. Force F1 has components 15N due south and 13N due west. What are the components of force F2?


What is the work done by GRAVITY if a 50kg block is pushed along a 4m horizontal track?

An unpaved spring has a length of I = 12cm. The load of 5N lasts up to 15cm. How long will the spring be when the load will be 15N? Make a figure.


An election is accelerated from rest through a potential difference of 15V. What is the change in electric potential energy of the electron?

The expression for the number of molecules in a Maxwellian gas having speeds in the range vto v+ dv is


dNv= 4πN(m÷2πkbT)^3/2 v^2exp[-(mv^2÷2kbT)]dv using this relation, obtain an expression for most probable speed

Discuss the sedimentation in brownian motion and show that during sedimentation, particle concentration decreases exponentially as height increases

Calculate the temperature at which root mean square speed of gas molecules is double of its speed at 27°c pressure remaining constant

The distance between Q1 (+ 8uC) and Q2 (+6 uC) is 0.25 m, the distance between Q2 and Q3 ( -5 uC) is 0.30 m and the distance between Q3 and Q4 (+7 uC) is 0.60m. What is the net electrostatic force acting on Q2?