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Question: 10g of lead (specific heat= 0.128J/g Celsius) at 100 Celsius is placed on a glacier of ice at 0 Celsius. How much ice melts? Lf of ice = 333J/g
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Two point charges 2.0cm apart have an electric potential energy -400?J . The total charge is 25nC, What is the lesser and larger charge
A 0.060 kilogram tennis ball, initially moving at a speed of 12 m/s, is struck by a racket causing it to rebound in the opposite direction at a speed of 18 m/s. Define the change in momentum of the ball
What is the pressure (in kPa) exerted by an object that has a base which is 2cm by 4cm nd a weight of 45N.
A uniform string of length is 2.5 m and mass 0.01 kg is placed under a tension 10N. What is the frequency of its fundamental mode?
A sample of neon gas has its volume doubled and its temperature held constant. What will be the new pressure relative to the initial pressure? A quantity of steam ( 800 g) at 115oC is condensed, and the resulting water is frozen into ice at 0oC. How ..
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A solid cylinder (radius = 0.160 m, height = 0.200 m) has a mass of 14.6 kg. This cylinder is floating in water. How much of the height of the cylinder is in the oil
The magnetic field B at the center of a circular coil of wire carrying a current I (as in fig. 20-9) is where N is the number of loops in the coild, determine the magnetic field strength at the center of the coil
Suppose your favorite FM radio station broadcasts at a frequency of 107.3 MHz. Estimate What is the wavelength of this signal
The coefficient of kinetic friction between dresser and the floor is and is the acceleration because of gravity. The floor exerts upward normal forces with magnitudes and where the dresser's legs rest on the floor. Note that this is a 2-dimensiona..
If 4.36 centimeter is the diameters of the piston, determine force magnitude on the small piston will balance a 28.2kN force on the large piston
A skier of mass 112 kg travels down a frictionless ski trail. If the top of the trail is a height 220 m above the bottom, what is the work done by gravity on the skier
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