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sydneip2394
12.11.2020 •
Chemistry
1. What is the velocity of a plane that traveled 4828 kilometers from New York to California in 5.0 hours?
2. Monica’s family traveled to Austin for her Aunt’s birthday party. She traveled 322 km in 3.5 hours. What was her velocity to Austin?
3. What is the velocity of a car that traveled a total of 75km north in 1.5 hours?
4.A car travels along a road at a steady speed of 60 mph. How far will the car travel in 6 hours (in m/hr)?
5.You need to get to class, 200 meters away, and you can only walk in the hallways at about 1.5 m/s. (if you run any faster, you’ll be caught for running). How much time will it take to get to your class?
6.Sarah cycles 30 miles to her grandmother’s house at a steady speed of 10 miles per hour. How many hours until she will arrive at her grandmother’s?
7. What is the speed of a jet plane that flies 7200 km in 9 hours (in km/hr)?
8.How far can you get away from your little brother with the squirt gun filled with paint if you can travel at 3 m/s and you have 15s before he sees you?
9. How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1 m/s?
sorry for it being so long im just falling behind in class
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Ответ:
A is the right answer
Explanation:
The purpose is to observe the characteristic colors produced by certain metallic ions when vaporized in a flame and then to identify an unknown metallic ion by means of its flame test.