Physics, 22.12.2020 23:30 geometryishard13
4. Which of the following is true about parallax?
a) the nearest stars have the samples parallax angles
b) the parallax angles of distant starts are too small to measure
c) it is used to measure distances to stars
d) both a and b
Answers: 2
Physics, 22.06.2019 20:00, scott5315
Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature
Answers: 1
Physics, 22.06.2019 20:30, adrianayepez8
Four identical lab carts each have a mass of 200 kg. different masses are added to the carts and the velocities are measured. all carts move to the right.
Answers: 3
Physics, 23.06.2019 00:30, shashayantie6556
1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted
Answers: 3
4. Which of the following is true about parallax?
a) the nearest stars have the samples parallax an...
Mathematics, 15.06.2021 17:30
Mathematics, 15.06.2021 17:30
Mathematics, 15.06.2021 17:30
Social Studies, 15.06.2021 17:30