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Two cubes with sides of length 168.4 mm fit in a space that is 337.8 mm wide, as shown in the figure. One cube is made of aluminum, and the other is made of brass. What temperature increase is required for the cubes to completely fill the gap? (The linear expansion coefficients for aluminum and brass are 2.20 10-5 K?1 and 1.90 10-5 K?1, respectively.)
A stone with a mass of 0.900 kg is attached to one end of a string 0.800 m long. Find the maximum speed the stone can attain without breaking the string
A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. She is swept downstream 480 m. What is the speed of the current
A 2360{\rm kg} satellite used in a cellular telephone network is in a circular orbit at a height of 750{\rm km} above the surface of the earth. What is the gravitational force on the satellite
A string attached to an oscillator at one end forms 5 nodes (counting the two ends) and produces a frequency of ? = 1.5 kHz. What is the linear density of the string
The rear window of a car consists of thirteen thin wires (resistivity = 88.0 * 10^-8 ohms) embedded in the glass. Find the cross-sectional area of each wire
The water supply of a building is fed through a main pipe 6.00 cm in diameter. A 3.00 cm diameter faucet tap, located 1.00 m above the main pipe, What is the speed at which the water leaves the faucet
A metal wire 1.0mm in diameter and 2.5m long hangs vertically with a 4.8-kg object suspended from it. what is the value of Young's modulus for the metal
Consider a Universe where matter density is 0, and it has a significant cosmological constant. How old is the Universe in this case
A 12-kg block initially slides at 18 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
A laboratory electromagnet produces a magnetic field of magnitude 1.38 T. A proton moves through this field with a speed of 6.06 multiply.gif 106 m/s. find the magnitude of the maximum acceleration of the proton
An airplane is flying with a velocity of 89.0 at an angle of 18.0 above the horizontal. When the plane is the distance 112 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog wo..
A rocket with a mass of 2.9×10^6 kg has a relativistic kinetic energy of 2.5×10^23 J. How fast is the rocket moving
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