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A 121-cm-long, 4.00 g string oscillates in its n = 6 mode with a frequency of 180 Hz and a maximum amplitude of 5.00 mm. Find (a) the wavelength of 1st, 2nd, and 3rd harmonic; (b) the frequency of 1st, 2nd, and 3rd harmonic; (c) the speed of the wave in the string; (d) the tension in the string.
Draw pictures of the first three harmonics!
suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.56 m radius
Determine how much work is done (by a battery, generator, or some other source of potential difference) in moving Avogadro's number of electrons
A rock is thrown vertically upward from ground level at time t = 0. What is the height of the tower
A young girl with mass 35.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due east and that has magnitude 86.0kg?m/s, How much work has been done on the girl by the force in the time interval from t= 0s to the ..
A particle moves along the x-axis. Its position is given by the equation x= 7 + 3t2 - 8t3 where x in meters and t in seconds. Find what is the objects acceleration
A 1.25 kg block slides 3 m down a smooth incline. At the bottom of the incline it has an elastic collision with a 3.50 kg block which is initially at rest. What is the maximum distance the1.25 kg block will slide up the incline after the collision?
An object has a kinetic energy of 267 J and a momentum of magnitude 21.7 kg•m/s. Find out the speed and the mass of the object.
A stone is dropped from the top of the cliff. The splash it makes when striking the water below is heard 3.5 seconds after it is dropped. How high is the cliff? Presume that the speed of sound in air is 343 m/s and g = 9.8 m/s2.
in a game of pool the cue ball strikes another ball of the same mass and initially at rest. after the collision the cue
Air is trapped above liquid ethyl alcohol in a rigid container. If the air pressure above the liquid is 1.10 atm, determine the pressure in the bulb inside a bubble 4.0 m below the surface of the ethanol.
A boat crosses a river of width w=100 meter in which the current has a uniform speed of 1.35 m/s. Find the speed of the boat relative to a stationary observer on shore
a 57 kg researcher absorbs 6.3*10^8 neutrons in a workday. The energy of the neutrons is 2.6 MeV. What is the equivalent dosage of the radiation exposure
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