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A thermos contains 142 cm3 of coffee at 86.3°C. To cool the coffee, you drop two 10.1-g ice cubes into thethermos. The ice cubes are initially at 0 °C and meltcompletely. What is the final temperature of the coffee in degrees Celsius? Treat the coffee as if it were water.
A 1.7kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings, What is the turntable's angular velocity, in rpm, just after this event
A sample of an unknown material appears to weight 300N in air and200N when immersed in alcohol of specific gravity 0.700. What are(a) the volume and (b) the density of the material?
A person has a far point of 33 cm. What power glasses would correct this vision if the glasses were placed 2.1 cm from the eye
The dipole moment of the water molecule is 6.1 * 10^-30 C * m. In an electric field, a molecule with a dipole moment will tend to settle into an equilibrium orientation such that the dipole moment is parallel to the electric field
A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph
A flat coil enclosing an area of 0.08 m2 is rotating at 57 rev/s, If there are 998 turns on the coil, what is the maximum voltage induced in the coil
Two mass-spring systems have the same mass and the same total energy. The amplitude of system 1 is three-fourths that of system 2. How do their maximum accelerations compare
In a Young's double-slit experiment, a set of parallel slits with a separation of 0.102 mm is illuminated by light having a wavelength of 585 nm, What is the difference in path lengths from the two slits to the location of a fifth order bright frin..
q. a pump submerged at the bottom of a well that is 35m deep is used to pump water uphill to a house that is 50m above
The fundamental frequency of a closed pipe is 108 Hz. Find the next higher harmonic for this tube
A rotating wheel requires 3.03-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.03-s interval is 99.0 rad/s
A 1.00 m3 container of air absorbs 6098 J of heat at a constant pressure of 1.00 atm. Air has a density of 1.20 kg/m3, Find the increase in the temperature of the air
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