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Transverse waves of amplitude 0.8 mm travel at 60 m/s along a ropeof linear mass density 3.5 g/m. A 50 Hz oscillator is connected toone end.
a) What is the average power supplied by the oscillator?
b) What is the tension required to double the power at the samefrequency.
A cardinal (Richmondena cardinalis) of mass 4.30×10-2 and a baseball of mass 0.14 have the equal kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of baseball's momentum.
An eyepiece of 3.0- cm focal length and an objective of 0.29-cm focal length are used in a standard microscope. What power should be marked on the eyepeice?
Consider a homemade capacitor, which consists of 2 8.5" x 11" aluminum foil sheets separated by 10 sheets of paper. Estimate the capacitance of this device. What effect does the paper have on the capacitance
When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted to the red such that the ratio of the unshifted frequency to the observed frequency is 1.8
A jet pilot takes his aircraft in a vertical loop, as seen in figure below. If the jet is moving at a speed of 1450 km/hr at the lowest point of the loop, Determine the minimum radius of the circle
Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 125 km long, 32.6 km wide, and 159 m thick. (a) How much heat in joules would be required to melt this iceberg (assumed to be at 0 °C) into liquid ..
Consider the infinite square well of width a. V(x) is infinite out side well and zero inside. Discuss the importance of the quantum effects for both of these systems. Use the uncertainty principle to estimate the velocities of the electron and the me..
A hotel elevator ascends 200 m with maximum speed of 5m/s . Its acceleration and deceleration both have a magnitude of 1.0 m/s^2 . a.)How far does the elevator move while accelerating to full speed from rest?
Unpolarized light of intensity I0 is incident on three polarizing filters. What light intensity emerges from the third filter
q1. one closed organ pipe has a length of 2.55 m.a what is frequency of the note played by this pipe?b when a second
two submarines are underwater and approaching each other head-on. sub a has a speed of 18 ms and sub b has a speed of
Four identical charges (+2.9 μC each) are brought from infinity and fixed to a straight line. Each charge is 0.33 m from the next. Determine the electric potential energy of this group.
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