Physics, 06.07.2021 22:40 sevindjdna
When you grind wheat to make flour, the flour comes out very warm--you can actually scorch the flour if you grind too quickly. Why does the temperature rise? Why does the temperature rise?
A. The heat is transferred to the wheat while grinding.
B. The heat is released from the wheat in the process of grinding.
C. The work done by the wheat while grinding is converted to a rise in its thermal energy.
D. The work done on the wheat while grinding is converted to a rise in its thermal energy.
Answers: 2
Physics, 21.06.2019 21:50, jferdi2005
When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?
Answers: 1
Physics, 22.06.2019 10:00, jeffffffff
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
When you grind wheat to make flour, the flour comes out very warm--you can actually scorch the flour...
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