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A thin ceramic plate is heated in a kiln, raising its temperature from 28°C to 580°C.
a) The area of the plate increases by 0.65 percent during the heating. Determine alpha for this material.
b) We cut a strip of length 16.05 centimeter at this high temperature. Determine how long will the strip be if we cool it to -100°C?
The plate in the problem above has a mass of 2.04 kilogram and a specific heat of 1200 J/kg°C.
c) Determine how much heat energy is needed to heat the plate from 28°C to 580°C?
d) The plate is located in ice to cool it down to 28°C. Evaluate the minimum amount of ice needed to do this.
A person with a weight of 280 lb stands on two feet wuth their weight equally distributed between the shoes, What is the pressure on each show independently
During 9.73 seconds a motorcyclist changes his velocity from v1,x = -35.5 m/s and v1,y = 12.5 m/s to v2,x =-21.1 m/s and v2,y = 27.5 m/s. Find the components of the motorcycle\'s average acceleration during this process, aav,x and aav,y.
n lab tests on a 9.25cm cube of a certain material, a force of 1375N directed at 8.50degree to the cube, What is the shear modulus of the material
consider compton scattering event in which the scattering photon has an energy of 120 kev and the recoiling electron
two 57.5 kw radio stations broadcast at different frequencies. station a broadcasts at a frequency of 892 khz and
A futuristic design for a car is to have a large disk-like flywheel within the car storing kinetic energy. The flywheel has mass 370 kg with a radius of 0.50 m and can rotate up to 520 rev/s. Assuming all of this stored kinetic energy could be transf..
A ball is thrown horizontally from a height of 16.2 m and hits the ground with a speed that is three times its initial speed. What was the initial speed?
An object is placed 30cm to the left of a lens with a focal length =25cm. A second lens (-22cm) is placed 80 cm to the right of the first lens. Determine the distance between the second lens and the final image formed by the two lens system.
A 120 Volt battery is connected across two parallel metal plates of area 28.5 cm2 and separation 8.20 millimeter. Find what magnitude of magnetic field is needed so that the alpha particles emerge undeflected from between the plates
A man is in a chair that is attached with a rope that goes over amass less, frictionless pulley and back down to the man's hand. Combined mass is 104.0 kg. With what force should he pull the pulley in order to rise with a constant velocity?
Two 2.00 cm X 2.00 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC. had are the electric field strength inside and the potential difference across the capacitor if the spacing between the plates is (a) 1.00 mm and (b) 2.00 ..
A baseball coach shouts loudly at an umpire standing 3.8 meters away. If the sound power produced by the coach is 2.2 × 10?3 W, what is the intensity of the sound when it reaches the umpire? Answer in units of W/m2.
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