A copper ball with a radius of 11 cm is heated until its
A copper ball with a radius of 1.1 cm is heated until its diameter has increasedby 0.23 mm. Assuming a roomtemperature of 22°C, find the final temperature of the ball.
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when an objectis placed 132cm from diverging thin lens itsimage is found to be 66 cm from the lens the lens is removed
a baseball player friend of yours wants to determine his pitching speed you have him stand on a ledge and throw the
a tank contains benzene which has index of refraction150 a dime is on the botton of the tank when viewed atnormal
a cylinderical shaped metal rod is used to conduct heat whenthe temperature at one end is 100 degree celsius and at the
a copper ball with a radius of 11 cm is heated until its diameter has increasedby 023 mm assuming a roomtemperature of
1 quantum dots also known as nanocrystals are a special class of materials known as semiconductors which are crystals
the energy absorbed by an engine is seven times greater than the work it performsa what is its thermal efficiencyb what
give a nanoscale interpretation of the fact that at the melting point the density of solid mercury is greater than the
an electron approaches a potential barrier10 ev high and 030 nm wide if the electron has a 20 percentprobability of
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