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a force of .90n to the left acts on a 5 microcoulombs charge.it is caused by a separate 30 microcoulombs charge...where is the 30 microcoulombs charge located relative to the 5 microcoulombs charge?
Show that the equation y=2Asin(nπx/L)cos2πft for a standing wave is a solution of the wave equation
there is a point positive charge q1 and another point positive charge -q2 an electric field line originating from q1 making an angle delta from the line joining q1 and -q2 ends at charge -q2 at an angle phi what will be the value of phi in terms of delta ?
An astronaut uses a pendulum with a mass of 0.200 kg to measure the acceleration due to gravity on Planet X. He lifts the pendulum's mass a vertical height of 0.500 m and is able to determine that it gains 15.0 J of gravitational potential energy as it is lifted. Using this information, calculate the acceleration due to gravity (g) on Planet X. *
5.1. A crystal is composed of identical atoms which only interact with ont another very weakly. Each has a set of three equally spaced singlet energy levels, E. E,, Es, such that E2-E, = 10-23 1 and E,-E; = 2x 10-'1. Calculate the temperature at which (a) there are equal numbers (to within 1 per cent) of atoms in each of the three states. (b) 99 per cent of the atoms are in the ground state E,.(c) If the energy level £, is doubly degenerate calculate the temperature for (b). (d) Why in (a) cannot truly equal populations be achieved?
Fill in the blank :
The oscillations of the pendulum of a clock, the rotation of the earth about its axis, the to-and-fro motion of the windshield whispers are all .................. phenomenal
Identify the factors that affect the magnitude of the induced emf and the magnitude and direction of the induced current (Faraday's Law)
A submarine can stand a pressure of 1400 kN/m² above atmospheric pressure.
find the maximum depth at wich she can work in sea water of RD=1.025
A glass bottle of interval volume is treated from 20°C - 50°C. If the linear expansivity of the glass is 9×10–4, the volume of the bottle as 50°C is?
Compute the density (in units of m3
) of an ideal gas under the following
conditions:
(a) At 0 C and 760 Torr pressure (1 Torr ¼ 1 mmHg). This is called the
Loschmidt number.
(b) In a vacuum of 103
Torr at room temperature (20 C). This number is a
useful one for the experimentalist to know by heart (103
Torr ¼ 1 μ).
