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In a certain solar house, energy from the Sunis stored in barrels filled with water. In a particular winterstretch of five cloudy days, 1.10multiplied by 106 kcal perday is needed to maintain theinside of the house at 24.0°C. Assumingthat the water in the barrels is at 50.0°C and that the waterhas a density of 1.00 multiplied by 103 kg/m3, what volume of water is required?
The aluminum bomb has a mass of 0.725 kg and is placed in 2.6kg of water contained in an aluminum calorimeter cup of mass 0.624 kg. The initial temperature of the mixture is 15°C, and its temperature after ignition is 53.5°C.
A toy cannon uses a spring to project a 5.24 g soft rubber ball. The spring is originally compressed by 4.96 cm and has a force steady of 8.03 N/m.
A 11.0-g bullet is fired horizontally into a 102-g wooden block that is initially at rest on a frictionless horizontal surface, what was the speed of the bullet at impact with the block
A paperweight, when weighed in air, has a weight of W = 7.3 N. When completely immersed in water, Find the volume of the paperweight
Find the horizontal component of the force exerted on the rod by the hinge and Find the vertical component of the force exerted on the rod by the hinge.
A metal rod is 40.127cm long at 20.3 oC and 40.149cm long at 45.0 oC. Calculate the average coefficient of linear expansion of the rod's
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27 °C. A 500-g sample of silver at an initial temperature of 87 °C is placed in the water. Calculate the mass of the aluminum cup
A 0.052 kg mass oscillates on a spring with a frequency of 8.2 Hz and an amplitude of 0.025 m. What is the maximum acceleration during an oscillation
If your conducting an experiment by heating a Styrofoam cup of water with an electric current of 2.8A, a voltage of 11V, How much time does it take to complete the experiment
the differential of thermal energy of a surface of a liquid with surface tension y and area a may be written as du tds
question1a truck is carrying a steel beam of length 17.0 m on a freeway. an accident causes a beam to be dumped off the
A 3.00-kg block starts from rest at the top of a 33.5° incline and slides 2.00 m down the incline in 1.80 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the fri..
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