After concluding that their measurements and calculations are correct, Sam and Grace see that their experimental value is still different than the accepted values. Grace suggests: We are confident that we know how much energy came from the bulb, and we know the mass of the water. Using the accepted value for the specific heat of water, we can predict how much the temperature of the water should have increased. Try Grace's suggestion. Show your work in the space below. water: 0.925kg initial temp: 22.1 C final temp: 28.3 C final time: 28.9 minutes intial time: 0 minutes

Inquiry into Physics
8th Edition
ISBN:9781337515863
Author:Ostdiek
Publisher:Ostdiek
Chapter12: Relativity, Particle Physics, And Cosmology
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After concluding that their measurements and calculations are correct, Sam and Grace see that their experimental value is still different than the accepted values. Grace suggests:

We are confident that we know how much energy came from the bulb, and we know the mass of the water. Using the accepted value for the specific heat of water, we can predict how much the temperature of the water should have increased.

Try Grace's suggestion. Show your work in the space below.

water: 0.925kg

initial temp: 22.1 C

final temp: 28.3 C

final time: 28.9 minutes

intial time: 0 minutes

bulb energy: 25 watts or 35 J/s

experimental water heat: 7.558kJ/kg K

accpeted vaklue of water heat: 4184 J

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