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Adjacent antinodes of a standing wave on a string are 15.0cm apart. A particle at an antinode oscillates in simple harmonic motion with amplitude 0.850 cm and period 0.0750 s. The string lies along the +x-axis and is fixed at x=0. --------------------------------------- What is the amplitude of the two traveling waves that form this pattern?
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 44 dB by an observer 10 km away. What is the average power generated by the horn
A non-uniform beam of length 4.41m and weight 1.02kg makes an angle of 25.2 with the horizontal. Find the magnitude of the horizontal component of the force exerted on the beam by the pivot
A person is standing at the edge of the water and looking out at the ocean. The height of the person's eyes above the water is h = 1.4 m, How far is it to the horizon
An electric motor rotating a workshop grinding wheel at a rate of 1.13 102 rev/min is switched off. How long does it take for the grinding wheel to stop
Suppose a manufacturing plant has an average sound intensity level of 97.0 dB created by 25 identical machines. Find the total intensity created by all the machines
The log has a mass m= 984 kg; the truck has a mass M=8750 kg. Calculate the minimum coefficent of static friction u needed to keep the log in the back of the truck
Moving a charge from point A, where the potential is 380V, to point B, where the potential is 190 V, takes 4.1×10-4 J of work. What is the value of the charge
A spring has k = 96 Nm. use a graph to determine the work needed to stretch it from x=3.8 cm to x=6.1cm, where x is the displacement from its unstretched length.
A fishing line is attached to a bober that has diameter of 5.00 cm and mass of 5.00g. A lead weight is attached to line. What is mass of lead
In a women's 100-m race, accelerating uniformly, Laura takes 1.98 s and Healan 3.17 s to attain their maximum speeds, What is the maximum distance by which Healan is behind Laura
Find the speed of the waves on an 800.0 mg violin string 21.7-cm long if the fundamental frequency is 912.0 Hz. find the wavelength of the sound waves emitted by the string
The magnetic field perpendicular to a circular wire loop 11.2cm in diameter is changed from +0.50Tto -0.33T in 130ms, In what direction does the induced current flow?
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