Radar uses radio waves of a wavelength of 2.9 m . the time interval for one radiation pulse is 100 times larger than the time of one oscillation; the time between pulses is 10 times larger than the time of one pulse. what is the shortest distance to an object that this radar can detect? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 17:00
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 3
Physics, 22.06.2019 18:00
Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.
Answers: 2
Physics, 22.06.2019 20:30
Your friend increases her force on the desk by 30n . she doesn't change the direction of her push . what happens to the net force on the desk .will the desk accelerate
Answers: 2
Radar uses radio waves of a wavelength of 2.9 m . the time interval for one radiation pulse is 100 t...
English, 22.12.2020 05:40
Mathematics, 22.12.2020 05:40
Physics, 22.12.2020 05:40
Social Studies, 22.12.2020 05:40
Social Studies, 22.12.2020 05:40
Computers and Technology, 22.12.2020 05:40
Biology, 22.12.2020 05:40
Business, 22.12.2020 05:40
Computers and Technology, 22.12.2020 05:40
English, 22.12.2020 05:40
Mathematics, 22.12.2020 05:40