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An aluminum can is filled to the brim with a liquid. The can and the liquid are heated thus their temperatures change by the equal amount. The can's initial volume at 7 °C is 4.5 ×10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6 (C°)-1.When the liquid and the can are heated to 73 °C, 9.5 ×10-6 m3 of liquid spills over. Estimate the coefficient of volume expansion of the liquid?
The telescope at a small observatory has objective and eyepiece focal lengths respectively of 20.0 m and 12 cm. determine length of the barrel of the telescope
An electron confined in a one-dimensional box emits a 400nm photon in a quantum jump from n=1 to n=2. What is the length (L) of the box in nm
A hydrogen atom is in the 2s state. Determine the principal quantum number and the energy of the state
A grinding wheel in the shape of a solid disk is0.240 {\rm m} in diameter and has a massof 2.50 {\rm kg}. The wheel is rotating at2050 {\rm rpm} about an axis through itscenter. What is its kinetic energy?
the electric field midway between two equal but opposite point charges is 747 nc and the distance between the charges
The engine of a motorboat delivers 29.8 kw to the propeller while the boat is moving at 18.0 m/s . What would be the tension in the towline
An object 4.0 cm high is placed 12 cm in front of a diverginglens that has a focal length of – 8.0 cm. Describe by calculation the location, nature (real or virtual andupright or inverted), and size of the image for this location.
A bar magnet is oriented with its magnetic dipole moment at 53.5° to the direction of a 0.0629-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
A steam power plant has, at the turbine entrance, saturated vapor with a pressure of 40 bar. The turbine exit is at 50 degrees C. The pump entrance is at 50 degrees C as well, and its exit is saturated liquid at 40 bar. The pump and turbine are is..
You drop a 0.490 kg block of copper from a height of 2.90 m. by how much does the temperature of the copper increase
a spring-loaded gun fired vertically shoots a marble 5.2 straight up in the air. what is the marbles range if it is
A cubic meter of some material has a mass of 8000 kg. Find the buoyant force on the block and the tension in the cable
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