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Question
You want to make a pendulum that has a swing time of 1.0 seconds (a so-called "second pendulum"). To help you, you have a ball and a thin string. How do you go about it? Also account for any values of the mass of the ball, the length of the string, etc.
Assuming the speed of sound is still 343 m/s, how long should a closed-end organ pipe be if it is to have a fundamental frequency of 294 Hz? What is the frequency of the first overtone (second harmonic) for this closed-end pipe?
The impact on light fixture swing
Water at 20.7°C is sprayed onto 0.193 kg of molten gold at 1063°C (its melting point). What is the minimum mass of water that must be used
An aircraft?weighing 971?N? is accelerated?at 9.1 m/s2 for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
"For a system of two particles we often let the potential energy for the force among the particles approach zero as the separation of the particles approaches infinity. If this choice is made, describe why the potential energy at non-finite separatio..
An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.70 multiply.gif 10-28 kg, what is the speed of the heavier fragment
a loaded penguin sled weighing 90 n rests on a plane inclined at 20deg to the horizontal. between the sled and the
A 31 cm diameter coil consists of 21 turns of cylindrical copper wire 3 mm in diameter. Determine the current in the loop
In a lab experiment, you attach a 3.0 kg weight to a spring scale. You lift the scale and weight with a constant reading of 22.5 N. find the value and direction of the acceleration on the weight
A projectile is fired with an initial speed of 36.2m/s at an angle of 41.1 degrees above the horizontal on a long flat firing range. determine maxiumum height reached by projectile
How many carbon-14 nuclei decay per second in a 70-kgperson, assuming that the person's body contains 12% of carbon and that there is one carbon-14 nucleus for every 10 12carbon-12 nuclei? How much time must pass after this person dies before the C..
Use the sum of residues to find the unknown residue in the following expansion. Then find the inverse transform of the completed expansion.
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