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A 35 g ice cube at 0.0°C is added to 110 g of water in a 62 g iron cup. The cup and the water have an initial temperature of 26°C.
1. Discover the equilibrium temperature of the cup and its contents.
When a gas is quickly compressed (say by pushing down a piston), its temperature increases. When a gas expands against a piston, it cools. Describe these changes in temperature using the kinetic theory, in particular nothing what happens to the momen..
In a certain cyclotron a proton moves in a circle of radius 0.750 m. The magnitude of the magnetic field is 1.60 T. (a) What is the oscillator frequency (in Hz)? (b) What is the kinetic energy (in eV) of the proton?
A pyrex beaker that holds 250 ml of water at 20 degrees celcius is filled to the brim. how much water (if any) will spill out of the beaker
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
A wheel initially has an angular velocity of 18 rad/s. It has a constant angular acceleration of 2.0 rad/s2 and is slowing at first. What time elapses before its angular velocity is18 rad/s in the direction opposite to its initial angular velocity
A metal sphere A has charge Q. Two other spheres, B and C, are identical to A except they have zero net charge. How much charge is on each sphere
at an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. people sit in
The particle has an average lifetime of 30.0 ns when at rest. Inorder to travel 10.0 m, how fast must it move
John's face is 20 cm in front of a concave shaving mirror of focal length 30 cm. How large an image does he observe
If the free end of the string is held in place and the hoop is released from rest , calculate the angular speed of the rotating hoop after it has descended 0.750m
What is the magnitude of the auto's average acceleration.
question a glass is half-full of water with a layer of vegetable oil n 1.47 floating on top. a ray of light traveling
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