Physics, 31.07.2019 16:50 cheetah810
One student did an experiment with salt water. the steps of the experiment are shown below. pour half a cup of salt water into a pan. keep the pan outside in the sun for a day. allow all the water in the pan to evaporate. observe a white residue at the bottom of the pan. the student's experiment demonstrates that when water evaporates, it a. changes into solid minerals b. leaves solid minerals behind c. turns solid minerals into powder d. converts gases into solid minerals
Answers: 2
Physics, 22.06.2019 01:00
An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
Answers: 1
Physics, 22.06.2019 03:30
Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)
Answers: 1
Physics, 22.06.2019 09:00
The material that keeps its new shape after it is stretched is called?
Answers: 1
Physics, 22.06.2019 14:00
Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
Answers: 3
One student did an experiment with salt water. the steps of the experiment are shown below. pour ha...
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