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A steel wire has a linear density of 50.0 g/m. It is under a tension of 800 N. One end is tied to an oscillating source which sends waves down the string. The oscillator vibrates with a frequency of 400 Hz and an amplitude of 2.00 mm. Let us de ne x = 0 to be at the end of the string attached to the oscillator. At t = 0 the oscillator is at the lowest point in its vibration. (a) What is the wavelength of the waves produced on the wire? (b) Write the displacement, D(x; t), for this string.
An 8.30 kg stone at rest on a spring. The spring is compressed 11 cm by the stone. The stone is after that pushed down an additional 26.00 cm and free. To what highest height (in cm) does the stone rise from that position.
A stunt man whose mass is 70 kg swings from the end of a 3.7-m long rope along arc of a vertical circle. Presume he starts from rest when the rope is horizontal.
A spring of k=12.00 N/m has a block of mass 11- kg attached to it on a frictionless table. If the block is pulled a distance 0.17m to the right and released from rest, how long would it take the block to return to its equilibrium position? Give yo..
Compute the final equilibrium temperature.
The leg and cast weigh 200 N, with the center of mass as indicated by the blue arrow. The counterbalance w1 weighs 110 N. find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
A tank of water sits at the edge of a table of height 2m. The tank springs a very small leak at its base, and water sprays out a distance of 1.4 m from the edge of the table. What is the water level h in the tank? (Assume the tank is open to the a..
A 1.02 liter flask contains a certain quantity of ideal gas at 315 K. Then an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.60 times its original value. What is a final temperature.
If the system is stopped, how much hanging mass would be required to bring the rotating mass to the same position.
A projectile is shot from the edge of a cliff 115m above ground level with initial speed of 65m/s at an angle of 35 degrees with the horizontal.
A 46kg box is being pushed a distance of 7 m across the floor by the force vector P whose magnitude is 144N. The force vector P is parallel to the displacement of the box.
with what speed would the arrow leave the bow.
A cord is wrapped around the rim of a solid uniform wheel 0.300 in radius and of mass 7.80 . A steady horizontal pull of 40.0 to the right is exerted on cord, pulling it off tangentially from the wheel. The wheel is mounted on frictionless bearing..
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