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Problem: A cord 5.0m long has a mass of 0.25kg and is stretched with a tension of 40 N.
Required:
Question 1: What is the fundamental frequency of the cord?
Question 2: What are the frequencies of the second harmonic and second overtone?
A 50.0-kg skier starting from rest travels 200 m down a hill that has a 20.0o slope and a uniform surface. When the skier reaches the bottom of the hill, her speed is 30.0 m/s. How much work is done by friction as the skier comes down the hill?
in an 8-ounce glass of water estimate the available d-d fusion energy. for how long could this energy provide the
Consider a series RLC circuit. The applied voltage has a maximum value of 130 V and oscillates at a frequency of 60 Hz. Determine the value of the inductance such that the voltage across the capacitor
Light of frequency 8.00 × 1014 Hz ejects electrons from surface (A) with a maximum kinetic energy that is 2.20 × 10-19 J greater than the maximum kinetic energy of electrons ejected from surface B. Calculate the difference in work function for the..
A parallel-plate capacitor having square plates 4.50cmcm on each side and 8.00mmmm apart is placed in series with an ac source of angular frequency 650radrad/s, What is the resonance angular frequency of this circuit
The catapult on an aircraft carrier can take an aircraft from 0 to 209 mph in 7 seconds, at which timethe aircraft launches. Express the launch speed in SI units (meter-kilogram-second (MKS) system - not km/hr).
A Light from a 556-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 51°. What is the angle of reflection (in degrees) from the surface
A cylinder of nitrogen gas has a volume of 1.6×104cm3 and a pressure of 110atm. What is the thermal energy of this gas at room temperature
A(n) 1340 kg car moving with a speed of 16.6 m/s collides with a utility pole and is brought to rest in 0.299 s
What is the spacing between the locations on either side of the center line between the speakers where no sound is heard because of destructive interference?
Surface area is often found by multiplying the length of the surface by its width. If a floor measures 10.5 m2, how many square centimeters (cm) does this represent? How many square centimeters are there in 1 m2?
A person pulls a 30kg crate to the right along a rough horizontal surface. He pulls with a force of 200N at an angle of 25 degrees from the horizontal. Find the total force on the crate
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