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A violin string is 24.0 centimeter long. It sounds the musical note A (440 Hertz) when played without fingering.
Find how far from the end of the string should you place your finger to play the note C (523 Hertz)?
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 15.0 N. What is the volume of the object
an airplane has a mass of 27500 kg and takes off under the influence of a constant net force of 41000 n. what is the
The old LP vinyl records commonly rotated at 33.33 revolutions per minute. Find the period of revolution for the record
A certain organ pipe, open at both ends, produces a fundamental frequency of 252Hz in air. what fundamental frequency f He will it produce
An Alaskan rescue plane drops a package of emergency rations to stranded hikers, Find the angle of the impact
at time t 0 a projectile is launched from ground level. at t 2.00 s it is displaced d 57 m horizontally and h 54 m
A proton travels with a speed of 4.90106m/s at an angle of65°with the direction of a magnetic field of magnitude0.240T in the positivex-direction. What is the magnitude of the magnetic force on the proton?
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.88 x 103 W. How much energy does it deliver into a home during 2 h of continuous operation
Consider a wet roadway banked as in Example 5.24, where thereis a coefficient of static friction of 0.30 and a coefficient ofkinetic friction of 0.25 between the tires and the roadway. What is the minimum speed the automobile can have before slidin..
Normal atmospheric pressure at sea level is generally considered to be equal to the pressure exerted by a column of mercury 760mm high. Calculate the corresponding pressure in inches and in Pascals
A ball on the end of a string is whirled around in a horizontal circle of radius 0.471 m. The plane of the circle is 1.37 m above the ground. Find the centripetal acceleration of the ball during its circular motion
The solid fuel of a 300.kg rocket travelling at 1.64x10^4 km/h is ignited to correct the rocket trajectory in mid-flight to Mars. what is the acceleration of the rocket (in m/s^2) at the start of this burn
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