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A string 1.9 m long with a mass of 2.6 g is stretched between two fixed points with a tension of 80 N.
Find the frequency of the fundamental on this string.
Determine the total energy radiated by the Sun each day. The Stephan-Boltzmann constant is 5.6696 × 10-8 W/m2/K4, e = 1, and the radius of Sun is 6.96 × 108 m.
A spherical shell has an outside radius of 2.6cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70g/ cm3. The space inside the shell is filled with a liquid having a density of 1.23g/cm3.
A high-voltage transmission line carries 500 A at 700 kV for a distance of 100 miles. what is the power loss due to resistive losses
Forces of 4 N and 6 N act on an object. What is the minimum value for the sum of these two forces
The element antimony has an atomic weight of 121.757 amu and only two naturally occuring isotopes. what is the mass of the other isotope
A refrigerator does 18.0 kJ of work while moving 115kJ of thermal energy from inside the refrigerator. what is its coefficient of performance
A 55g horizontal metal bar, 15cm long, is free to slide up and down between two tall, vertical metal rods that are 15cm apart. What is the terminal speed at which the bar falls
A cancer patient is undergoing radiation therapy in which protons with an energy of 1.2 MeV are incident on a 0.25 Kg tumour. How many protons are absorbed by the tumour
A 11 kg satellite has a circular orbit with a period of 3.3 h and a radius of 3.6 × 106 m around a planet of unknown mass. what is the radius of the planet
A 0.500 kg football is thrown toward the east with a speed of 10.0 m/s. A stationary receiver catches the ball and brings it to rest in 0.020 s. What is the average force exerted on the receiver
A communications satellite with a mass of 400kg is in a circular orbit about the Earth. Calculate the wieght of the satellite on the surface of the earth
If they are released from rest and allowed to fall toward one another, what is their speed when they first make contact?
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