Physics, 17.09.2019 04:21 destinybowers18
As a candle burns on the table, you can see the electromagnetic energy and feel the thermal energy released. which two statements are true about the energy involved in burning the candle?
a. chemical energy is created from electromagnetic energy when the candle burns.
b. the total amount of all types of energy is conserved when the candle burns. c. thermal and chemical energy is destroyed by electromagnetic energy when the candle burns.
d. the total chemical energy equals the electromagnetic and thermal energy released when the candle burns
Answers: 1
Physics, 21.06.2019 19:10
Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.
Answers: 1
Physics, 22.06.2019 07:20
What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.
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As a candle burns on the table, you can see the electromagnetic energy and feel the thermal energy r...
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