Answers: 3
Physics, 21.06.2019 22:30, jadalysrodriguez
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
Physics, 22.06.2019 11:00, vanvalenpeyt
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.
Answers: 3
Physics, 23.06.2019 06:30, vanessasmith47
Chi walked 100 meters in 5 minutes. she took another 15 minutes to walk another 400 meters to reach her house. what is her average speed?
Answers: 1
CAN you pls help me with this ty...
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