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A simple harmonic oscillator consists of a 100 g mass attached to a spring whose force constant is 104 dyne / cm. The mass is displaced 3 cm and released from rest. Allow motion to take place in a resisting medium. After oscillating for 10 s, the max amplitude decreases to half the initial value. Calculate
a- the damping parameter β
b- the frequency v1
c- the decrement of motion
An electron is released from rest in a uniform electric field of magnitude 2.31 x 10^4 N/C. Calculate the acceleration of the electron
The steel I-beam in the drawing has a weight of 1.50 × 103 N and is being lifted at a constant velocity. What is the tension in each cable attached to its ends
A flywheel having constant angular acceleration requires 4.30 to rotate through 166. Find the angular acceleration of the flywheel
The vector shows the weight of the stone. Complete the vector diagram showing another vector that results in zero net force on the stone. Illustrate what is the conventional name of the vector you have drawn?
Determine the current I flowing through a solenoid, if the magnetic flux inside its core is found to be 2.60 multiply.gif 10-4 Wb.
Humans cool off by perspiring; the evaporating sweat removes heat from the body. what is the entropy change of the universe due to the evaporation of 215 mL of sweat
the electromagnetic wave that delivers a cellular phone call to a car has a electric field with an rms value of 4.5e10^-2. find the intensity of the wave generated by this phone call
A ray of light strikes a thick sheet of glass (n= 1.5) At an angle of 25 degrees with the normal. Find the angle of the refracted ray within the glass
A satellite in a circular orbit around the earth with a radius 1.021 times the mean radius of the earth is hit by an incoming meteorite. Calculate the amount of that work converted to heat
In each of the following cases, the mass is 7.83 kg and the radius is 7.50 cm. What is the moment of inertia (kg m^2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylin..
a point charge q10-9 coulombs is placed at the centre of a dielectric sphere of radius r10cm. the relative permittivity
A certain element has a mass per mole of 54.9380 g/mol. How many moles of atoms are in a 268-g sample
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