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A piano tuner stretches a steel piano wire with a tension of 765 N. The steel wire has a length of 0.900 m and a mass of 6.75 g.
What is the frequency of the string's fundamental mode of vibration?
What is the number of the highest harmonic that could be heard by a person who is capable of hearing frequencies up to 16 kHz?
The isotope 204 Pb decays via alpha decay. The measured atomic mass of 204 Pb is 203.97304 u , Calculate the kinetic energy of the alpha particle
Two converging lenses (f1 = 9.00 cm and f2 = 6.00 cm) are separated by 18.0 cm. The lens on the left has the longer focal length. Locate the final image relative to the lens on the right
The heart requires a continuous flow of blood maintain normal function. The average length of the mid left anterior descending coronary artery is 11 cm, Calculate the decrease in pressure along this artery
What is the acceleration of the bullet while it is in the barrel, For how long is the bullet in the barrel
find the energy in joules of the photons.
An antelope moving with constant acceleration covers the distance 77 m between two points in time 7.4 s. Its speed as it passes the second point is 15.5 m/s. What is its speed at first point.
A copper rod (length=2 m, radius=3×10-3 m) hangs down from the ceiling. A 9.0-kg object is attached to the lower end of the rod. The rod acts as a "spring," and the object oscillates vertically with small amplitude. Ignoring the rod's mass, determ..
Two people carry a heavy electric motor by placing it on a light board 2.90m long. One person lifts at one end with a force of 370N, What is the weight of the motor
How much charge passes through the hair dryer. Find the magnitude of the magnetic field at the center of the square.
A particle known as a pion lives for a short time before breaking apart into other particles. What is the lifetime according to a hypothetical person who is riding along with the pion
If, as is typical, each of them breathes about 500 {rm{ cm}}^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year.
As a laudably skeptical physics student, you want to test Coulomb\'s law, As expected, the predictions of Coulomb\'s law are well confirmed, What is the magnitude of the force
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