Physics, 09.12.2020 18:50, samtrevino9921
A bus travels east for 3 km, then north for 4 km. What is its final displacement?
5 km southeast
5 km northwest
5 km northeast
5 km southwest
Answers: 3
Physics, 21.06.2019 20:30, jasminelynn135owmyj1
When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
Answers: 1
Physics, 22.06.2019 01:00, muhammadcorley123456
4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that
Answers: 1
Physics, 22.06.2019 16:40, sabrinarea041904
Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
Answers: 3
Physics, 22.06.2019 18:50, jtsizemore
An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
Answers: 2
A bus travels east for 3 km, then north for 4 km. What is its final displacement?
5 km southeast
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