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a .40-kg bucket of bait, attached to the end of a .75 m string, is whirled around in a circular horizontal path. If the tension in the string is 450 N, What is the speed of the bucket?
Two identical, small insulating balls are suspended by separate 0.31-m threads that are attached to a common point on the ceiling. determine the tension in the threads
How do you measure the mass of an astronaut in orbit? (You can't just use a scale!) For the Skylab program, What is the mass of the astronaut
A motorcycle and a police car are moving in the same direction, with the motorcycle in the lead. What frequency does the motorcyclist hear
What is the angular momentum of the moon about the Earth, The mass of the moon is 7.35 x 10^22 kg, the center-to-center separation of the Earth
What is the internal resistance of a 12.0-V car battery whose terminal voltage drops to 9.5V when the starter motor draws 77A
The three displacement vectors in the drawing have magnitudes of A = 5.47 m, B = 5.43 m, and C = 3.91 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional an..
A typical person radiates about 62 W of power at room temperature. Given this result, how long does it take for a person to radiate away the energy obtained by consuming a 230-calorie doughnut.
A 16.0L tank contains 0.430kg of helium at 16.0?C. The molar mass of helium is 4.00g/mol, How many moles of helium are in the tank
A loudspeaker of mass 19.0 kg is suspended a distance of = 1.60 m below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30m . What is the tension in each of the cables.
Two loudspeakers are placed at either end of a gymnasium, both pointing towards each other. The sound emitted by the speakers is in phase and are of frequency of 256 Hz.
An L-C circuit containing an 73.5-mH inductor and a 1.05-nF capacitor oscillates with a maximum current of 0.705 A. Calculate the oscillation frequency of the circuit
a block is connected between two springs on a frictionless, horizontally level track. the other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track. what is the spring constant of the other spring
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