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A spring with spring constant k=400 N/m and damping constant b=0.5kg/s has a mass of m=0.01 kilogram hanging from it. The spring is driven with a force of 30 Newton at a frequency of ω = 175 rad/s. If the amplitude of the oscillation is measured with a ruler, find what is the result?
Suppose the distance between two objects was doubled and the mass of one of the objects was suddenly cut in a third. How would the gravitational force change
The first telescope is 0.3m and has a focal ratio of f/8. The second telescope has a focal ratio of f/4 and is 30m in diameter. They each have an identical CCD camera whose pixels are 25 microns on a side.
Calculate the capacitance of a capacitor whose plates a 20.0 cm by 3.0 cm and are separated by a 1.0mm air gap. What is the charge on each plate if the capacitor is connected to a 12.0 V battery
Suppose a 0.3 kg mass on a spring tha has been compressed 0.10m has elastic potential energy of 1 J. What is the spring constant? Also, how much further must the spring be compressed to triple the elastic potential energy
Suppose the strings on a violin are stretched with the sametension and each has the same length between its two fixed ends.The musical notes and corresponding fundamental frequencies of twoof these strings are G (196.0 Hz) and E (659.3 Hz).
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. What is the average power generated by the lifting force
A 100kg elevator starts from rest. It moves upward for 4s with constant acceleration until it reaches its crusing speed of 2 m/s. What is the average power of the elevator during this time interval
An AC generator has 80 rectangular loops on its armature. Each loop is 11 cm long and 10 cm wide. calculate the maximum output voltage of this generator
three charges are at seperate corners of a square of edge length of 5cm. the two charges at opposite corners are
A 1.00-kg glider attached to a spring with a force constant 16.0 N/m oscillates on a frictionless, horizontal air track. Find the period of the glider's motion
The electric field midway between two equal but opposite point charges is 745 N/C, What is the magnitude of the charge on each
A lead ball is dropped into a lake from a diving board 5.0 mabove the water. How deep is the lake
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