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A 0.240 kg piece ofaluminum that has a temperature of -155°C is added to 1.5 kg ofwater that has a temperature of 2.3°C. At equilibrium the temperature is0.0°C. Ignoring the container and assuming that the heatexchanged with the surroundings is negligible, determine the mass of water that has been frozen into ice?
A police van moving on a highway with a speed of 30 kmph fires a bullet of a theif's car speeding away in the same direction with a speed of 192 kmph.
A slit of width 0.19mm is illuminated with monochromatic light of wavelength 632.8 nm. At what angle will the first minimum occur
A circular loop of wire is in the plane of the paper. The south pole of a bar magnet is being moved from a position in front of the paper in a direction away from the center of the loop. Which is the direction of the induced current in the loop?
The earth makes a near circular orbit around the sun(r=1.5 * 10^11m) Assuming uniform circular motion Determine the earth's angular speed, linear speed and centripetal acceleration.
question1a hollow sphere of radius 0.15 m with rotational inertia 1 0.040 kgm2 about a line through its center of mass
The 3.70 cm3 volume between the plates of a 444 pF parallel-plate capacitor is filled with a dielectric, Find the permittivity of the dielectric
A 1.0kg grindstone in the shape of a uniform cylinder of radius 0.25m acquires a rotational rate of 18 rev/s from rest over a 6.4s interval at constant angular acceleration. Calculate the torque delivered by the motor
Two ropes are pulling upward on a large crate. The weight of the crate is 350. N. The tension in the left rope is the same as the tension in the right rope. what is the tension in the left rope
A 0.2kg flying pig toy is attached to the ceiling with a string. When the pig's wings flap, find the angle the string makes with the vertical
Consider two widely separated conducting spheres, 1 and 2, the second having four times the diameter of the first. What is the ratio of the final surface charge density of spheres
A particular heat engine has a useful power output of 4.80 kW and an efficiency of 25.0%. Find the energy taken in during each cycle
The rope is initially swung around the axis, causing the wood to have a tangential velocity of 4.0 m/s. After one revolution the wood is observed to have a speed of only 2.1 m/s.
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