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One string of a certain musical instrument is 72.0 cm long and has a mass of 8.76 g . It is being played in a room where the speed of sound is 344 m/s . a) To what tension must you adjust the string so that, when vibrating in its second overtone, it produces sound of wavelength 0.757 m ? (Assume that the breaking stress of the wire is very large and isn’t exceeded.) b)What frequency sound does this string produce in its fundamental mode of vibration?
The starter motor of a car engine draws a current of 180A from the battery. How far does an electron travel along the wire while the starter motor is on
An ideal gas is contained in a cylinder with a movable piston. The gas is then heated through an isobaric process. how much work is done by the gas
A box-shaped piece of concrete measures 3ft by 2ft by 0.5ft. Find the buoyancy force that acts on it when it is submerged in water
q1. boat a negotiates a curve whose radius is 352 m. boat b negotiates a curve whose radius is 160 m. each boat
evaluate what value of the distance d should a driver locate his car if he wishes to stay on a circular path without depending on friction?
An air-filled parallel-plate capacitor has plates of area 2.20 cm2 separated by 0.50 mm. What is the magnitude of the uniform electric field between the plates
A cannon is launched at an angle of 45.00 and the cannon ball lands 301 m away. How long was the cannon ball in the air
In the figure, a laser beam of power 5.10 W and diameter 2.20 mm is directed upward at one circular face (of diameter less than 2.20 mm) of a perfectly reflecting cylinder, What is the cylinder's height
A person walks first at a constant speed of 5.10 m/s along a straight line from point to point and then back along the line from to at a constant speed of 2.95 m/s. (a) What is her average speed over the entire trip? (b) What is her average veloci..
A car is traveling east at 14m/s, weighing 2000kg. A car is traveling north at an unknown velocity, and weighs 1500 kg. What is the speed of the car traveling north
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
If the airplane somehow continues to fly as if nothing had happened, where is engine relative to the airplane at the moment the engine hits ground.
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