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An experiment is set up in a copper calorimeter of mass 82 g containing 841 g of water at 17.5 degrees C. An iron ball with a mass of 457.6 g is heated to an initial temperature of 413.7 degrees C and added to the water in the calorimeter. What is the equilibrium temperature of the mixture?
You are designing a diving bell to withstand the pressure of seawater at a depth of 260m. What is the gauge pressure at this depth
Find the percentage variation of the resistivity of copper over the temperature range from room temperature 20oC to 98oC. Find by what percentage would its current change
Light of wavelength 480nm falls normally onfour slits. Each slit is 2μm wide and isseperated from the next slit by 6μm. find the angles of any bright interference maxima that lie inside the central diffraction maximum
Compare the magnitudes of the gravitational force of attraction and the electric force of attraction between the electron, Find the ratio of the electric force to the gravitational force
A horizontal 100-turn rectangular coil is located in a uniform magnetic field of magnitude 0.900 T directed upward perpendicular to the plane of the coil. If the area of the coil increases linearly at the rate of 8.00 x 10-3 m2/s, what is the magn..
95.8 kg of ice is melted into water then raised to a temperture of 325.8 K. How much energy is needed to complete this process?
A uniform rod rotates in a horizontal plane about a verticalaxis through one end. find the angular momentum of the rod about that axis
What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 529nm light? The index of refraction of the coating material is 1.53 and the index of the glass is 1.60.
A second skater initially at rest with a mass of 58.4 kg catches the snowball. What is the velocity of the second skater after catching the snowball in a perfectly inelastic collision
The former is on the left in contact with air and the other in contact with a liquid of index 1.4 The refractive index of the glass is 1.50. Find the positions of the foci, principal planes, and focal length of the system.Use the matrix approach
You throw a ball vertically upward at 27.0 m/s, and then catch it at the same height you released it. Ignoring air resistance, how high did the ball rise
Is this idea correct: the acceleration of the particle is constant so you can utilize the kinematic equations to discover the time when the particle passes during the field?
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