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A student uses a 2.00-m-long steel string with a diameter of 0.90 mm for a standing wave experiment. The tension on the string is tweaked so that the second harmonic of this string vibrates at 23.0 Hz . (?steel=7.8·103 kg/m3) If you wanted to increase the first harmonic frequency by 58 % , what would be the tension in the string? Express your answer using two significant figures.
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
A playground merry-go-round has radius 2.10 m and moment of inertia 2000 kg · m2 about a vertical axle through its center, How much work did the child do on the merry-go-round
A marble with a mass m of 3.00 g is released from rest in a bottle of syrup. Its terminal speed vt is 1.81 cm/s. What is the strength of the resistive force (N) when the marble reaches terminal speed
A +4.6-µC charge experiences a 0.42 N force in the positive y direction. If this charge is replaced with a -1.0 µC charge, what force will it experience
Assuming the air in the room is initially free of benzene, compute the time necessary for benzene to reach 95 percent of the steady-state concentration.
two identical diverging lenses are separated by 6.0 cm. each lens has a focal length of -12 cm. an object is placed 10
A projectile is launched at an angle of 33.69 degrees from the horizontal and lands down range at the same level. If the range of the projectile was 900 meters what was the maximum height
how high does it rise above the point of release. guess the speed of the car just before braking.
calculate the temperature at which a tungsten filament with an emissivity of 0.28 and a surface area of 7.6 times 10-5
A 25 gram ball is fired horizontally into a 0.375 Kg catcher arm at rest. How fast was the ball traveling before the impact occurred
in the simulation above the length and orientation of the blue and yellow vectors can be changed by dragging the tips
The frequency at the other end of the broadcast band is 0.538MHz . What is the maximum capacitance of the capacitor if the oscillation frequency is adjustable over the range of the broadcast band
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