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A capacitor constructed of two metal plates which are 160 cm long and 4 cm wide. They are separated by a distance fo 0.2 mm, which is filled with an oil that has a dielectric constant (K) of 5.0
a) What is the capacitance of this capacitor?The capacitor is now attached to a 120 volt source.b) How much charge will be stored on the plates?c) How much energy is stored in the capacitor?
Two identical guitar strings are stretched with the same tension between supports that are not the same distance apart. The fundamental frequency of the higher-pitched string is 440Hz, and the speed of transverse waves in both wires is 150 m/s. How m..
Calculate the ratio of earth's rotational kinetic energy due to its rotation around its axis and the translational kinetic energy due to its motion around the sun. Consider the earth to be a homogeneous solid sphere.
A 0.43 kg particle moves in an xy plane according to x(t) = - 13 + 4 t - 3 t3 and y(t) = 26 + 9 t - 7 t2, with x and y in meters and t in seconds. what is the angle of the particle's direction of travel
A spring stretches by 0.0240 m when a 3.40-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 4.65 Hz
Two blocks of mass m1 = 8.0 kg and m3 = 6.5 kg, connected by a rod of mass m2 = 1.5 kg, are sitting on a very low-friction surface, find the acceleration of the system of blocks plus rod
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm
A solid cylinder rolls down an incline plane without slipping. If the center of mass of the cylinder has a linear acceleration of 2.67 m/s2
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wi..
A discus thrower changes his angular velocity from 280°/s to 400°/s (at the time of release) in 1.5 sec. find the average angular and linear acceleration
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wavefronts in front of the source compare to those behind it?
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles when they are 5.20 10-15 m apart
An insect 4.00mm tall is placed 20.0cm to the left of a thin planoconvex lens. Calculate the location of the image this lens forms of the insect
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