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The motion of an object is described by the equation x = (1.9 m) cos(?t/3.5), where t is assumed to be measured in seconds.
a) What is the position at a time 1.05 seconds?
b) What is the frequency of the motion?
c) What is the period of the motion?
A bowling ball of mass 6.00 kg rests in a groove with smoth, perpendicular walls, inclined at angles of 30.0 degrees (theta). find the normal forces at the left and right points of contact
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A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.42 m. find Where should the third charge be located
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A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. What is the volumetric flow rate through the pipe
If a circular wire loop of radius 10 were held in this magnetic field, what current would be induced in the loop
an electric on a airplane operates 20.8 volts a draws a current of 14.7amps. How much energy in joules does the motor use
A 300g ball on a 70cm -long string is swung in a vertical circle about a point 200 cm above the floor, What was the tension in the string an instant before it broke
The sinusoidal wave is traveling in the positive x-direction and has a frequency of 21.4 Hz. The wavelength is 10.4 cm, the amplitude is 4.13 cm, and the period is 0.047 seconds. What is the wave's speed?
The pressure in a section of horizontal pipe with a diameter of 2.0 cm is 146 kPa. Water flows through the pipe at 2.80 L/s. what should the diameter of the constricted section be
An iceberg floating in seawater as shown below in Figure, is extremely dangerous because much of the ice is below the surface. What fraction of the iceberg lies below the water level
suppose a photon of wavelength 0.1A is absorbed by an n=1 electron in potassium(Z=19) and the electron is removed from the atom. find the velocity of the electron
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