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Problem: A 0.5530-kg ice cube at -12.40oC is placed inside a chamber of steam at 365.0oC. Later, you noticed that the ice cube has completely melted into a puddle of water. If the chamber initially contained 6.670 moles of steam (water) molecules before the ice is added, calculate the final temperature of the puddle once it settled to equilibrium. (Assume the chamber walls are sufficiently flexible to allow the system to remain isobaric and consider thermal losses/gains from the chamber walls as negligible.)
We all sound like great singers in the shower, due to standing waves. What are the wavelengths of the first two overtones for this shower
A mass of 6 kg is moving at 31 m/s in the positive x direction. What is the magnitude of the velocity of the masses after the collision in m/s
A 450 loop circular armature coil with a diameter of8.0cm rotates at 120 rev/s in a uniform magnetic field of strength 0.55 T. What is the rms voltage output of the generator
suppose the insulating qualities of the wall of a house come mainly from a 4.0 inch layer of brick and an r-19 layer of
Al moves off with a speed of 8.98 m/sec in one direction and Jo moves off with a speed of 9.70 m/sec in the other. You can assume friction is negligible. What is Al's mass.
Find the lowest energy of the system (in eV) and list the quantum numbers of all occupied states if (a) the particles are electrons, and (b) the particles have the same mass of the electron
at the top of a 100m cliff a backpack is dropped. one second later an archer fires an arrow straight down that hits the backpack just as it reaches the ground, How long does it take for the backpack to reach the ground
A proton (m=1.67x10-27 kg) is being accelerated along a straight line at 3.6*10^5 m/sec2 in a machine. If the proton has an initial speed of 2.4x10^7 m/sec.
A projectile is fired at an angle of 45° with initial kinetic energy E0. At the top of its trajectory, What is the speed of the first fragment
The horizontal coordinates of a Frisbee in a strong wind are given by x = -12 t +4t2 and y = 10 t -3t2 where x and y are in meters, and t is in seconds. What is the acceleration of the Frisbee
A 130-g baseball, moving along the x-axis with speed 29.0 m/s strikes a fence at a 45 degree angle and rebounds along the y-axis with unchanged speed. Give x and y components of its change in momentum.
You leave a 80W light bulb on for 8 hours in the day. How much energy has been used in joules
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