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A piano tuner stretches a steel piano wire with a tension of 830N . The wire is 0.400m long and has a mass of 3.10g.
A.) What is the frequency of its fundamental mode of vibration?
B.) What is the number of the highest harmonic that could be heard by a person who is capable of hearing frequencies up to 1.00×104 Hz?
A midle C note (262 Hz) is sounded on a piano to help tune a violin string. When the string is sounded, nine beats are heard in 3.0s. How much is the violin string off tune?
A wrench 0.3 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of langle 0, 1, 2rangle at the end of the wrench. Find out the magnitude of the force in newtons needed to give 100 newton..
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How fast will the shell be traveling when it hits the ground
Geostationary satellites used for television, weather tracking, or defense purposes are satellites that remain stationary over one point on the equator, What must be the period of the satellite's orbit
Two capacitors, C1 = 4.0mF and C2 = 9.0mF , are in series, Find the potential difference across second capacitor and Find the charge stored on the second capacitor
A steel bridge is built in the summer when its temperature is 35.5oC. What is the length of the bridge on a cold winter day when its temperature is -11.5 oC
define How fast is the osprey approaching. Two of the fragments move with the same speed right after the explosion as the entire projectile had just before the explosion.
Use Newton law to determine the force applied to the backrest when a 150-lb person leans 40% of his or her body weight against it. Determine the constant requiered for the spring
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 307 K is heated at constant volume to 614 K, What is the efficiency of the cycle
An ultralight plane and pilot have a total mass of 168 kg, what is the net force acting on the plane and pilot
Determine its average velocity for this trip. conclude the car's displacement.
An AC adapter for a telephone-answering unit uses a transformer to reduce the line voltage of 120 V (rms) to a voltage of 10.0 V. What is the rms power delivered to the transformer
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