Why does the pencil appear broken in the cup of water?
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e...
Why does the pencil appear broken in the cup of water?
question options:
electromagnetic/light waves compress more when they travel through denser media.
electromagnetic/light waves cannot travel through solids.
electromagnetic/light waves travel at different speeds through different media.
electromagnetic/light waves get closer together when they go through dense media like glass.
Answers: 3
Physics, 22.06.2019 03:00
Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx
Answers: 1
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 10:30
Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (−2.5 m/s) ˆ . the acceleration is given by ~a = (4.5 m/s 2 ) ˆı + (3 m/s 2 ) ˆ . what is the x component of velocity after 3.5 s? answer in units of m/s.
Answers: 1
History, 22.06.2019 02:00
Mathematics, 22.06.2019 02:00
History, 22.06.2019 02:00