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A proud deep-sea fisherman hangs a 66.6 kg fish from an ideal spring having negligible mass. The fish stretches the spring0.126m.
1. What is the force constant of the spring?
2. What is the period of the oscillation of the fish if it is pulled down 3.60cm and released?
A diesel engine performs 2090 J of mechanical work and discards 4125 J of heat each cycle. What is the thermal efficiency of the engine?
question a solid ball encounters a 0.760 m vertical rise on the way back to the ball rack. ignore frictional losses and
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a bottle of wine known as a squinch contains a volume of 1.1 liters. a bottle known as a serroboam contains 8.5 u.s.
The internal energy of a gas is 547.J. The gas is compressed adiabatically, and its volume decreases by 125.cm3, what is the internal energy of the gas after the adiabatic compression
A 0.240 kg piece ofaluminum that has a temperature of -155°C is added to 1.5 kg ofwater that has a temperature of 2.3°C. obtain the mass of water that has been frozen into ice
A small bag of sand is suspended by a wire of length L=1.2 m. A bullet of mass m=8 gr, moving with speed v0=600 m/s in the horizontal direction, What is the mass of the bag
Two microphones are located on the Y axis. One(1) is at the origin and the other(2) is at y= 1.5 meters. how far is the source of sound from each microphone
A skier is pulled up a slope at a fix velocity by a tow bar. The slope is inclined at 25.0 degree with respect to the horizontal. Obtain the magnitude of force that the tow bar exerts on the skier
A glass optical fiber (n= 1.50) is submerged inwater(n=1.33). What is the critical angle for light to stay inside the fiber
Batman (mass = 95.9 kg) jumps straight down from a bridge into a boat (mass = 683 kg) in which a criminal is fleeing. The velocity of the boat is initially +8.67 m/s. What is the velocity of the boat after Batman lands in it?
A mine elevator is supported by a single steel cable 2.8 cm in diameter. The total mass of the elevator cage and occupants is 520 kg. By how much does the cable stretch when the elevator hangs by (a) 13 m of cable and (b) 364 m of cable? (Neglect the..
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