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1. Given a string in a standing wave system with a fundamental frequency f1, what would the newfundamental frequency be if you:
a. Pulled the string 4 times harder (Tnew = 4told)?
b. Instead, changed to a 4 times heavier string (µnew = 4µold)?
c. Instead, changed to a 4 times longer length to vibrate on? (Lnew = 4Lold)?
When a ceiling fan rotating with an angular speed of 5.6 rad/s is turned off, What is the moment of inertia of the fan
A spacecraft of 140 kg mass is in a circular orbit about the Earth at a height h = 3RE. What is the spacecraft's kinetic energy
A glass window pane in a home is 0.62 cm thick and has dimensions of1.0 m 1.9 m. Find how much energy is lost during the window in one day, assuming the temperatures outside and inside remain fix
The sun radiates energy at the rate 3.8*10^26W. The source of this energy is fusion, a nuclear reaction in which mass is transformed into energy. Estimate the lifetime of the sun
One end of a spring is attached to a wall. A 28N pull on the other end causes the spring to stretch by 2.8cm, What is the spring constant
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a myopic student is shaving without his glasses. if his eyes have afar point of 1.5m what is the greatest distance he
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Status Newton's First Law of motion.
The world's longest suspension bridge is the Akashi Kaikyo Bridge in Japan. How much longer is the bridge on a warm summer day (27.0° C) than on a cold winter day (-5.00° C)
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