Physics, 10.07.2019 11:00, itscheesycheedar
Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stick. he guesses that the door of the refrigerator is made of a nonmagnetic substance. what stage of scientific investigation does his guess represent? (its b right ? ) a. ask questions b. construct a hypothesis c. explain the results d. make observations
Answers: 2
Physics, 22.06.2019 02:30, ParallelUniverse
Gunpowder residue is most likely to show up where on a shooters hands
Answers: 1
Physics, 22.06.2019 03:50, Jasten
The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?
Answers: 1
Physics, 23.06.2019 02:20, cathydaves
What are known as the properties of substances that describe a substance et does not change that substances?
Answers: 1
Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stic...