The oxidation number of calcium in the compound CaCl2 has to be...
A. -1 O
B.-2 O
C. +2 O...
![subject](/tpl/images/cats/fizika.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 00:20
2.22/3.33 points | previous answers tamucolphysmechl1 4.pre.002. ask your teacher my notes question part points submissions used on a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 2.40 m/s. (a) what are the magnitude and direction of the velocity of the red glider after the collision? magnitude 3.33 m/s correct: your answer is correct. direction correct: your answer is correct. (b) is this collision elastic?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 00:50
Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 08:30
You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:00
Amira pulls a 3 pound wagon 4 feet. how much work has she done?
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 25.11.2019 10:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 25.11.2019 10:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.11.2019 10:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 25.11.2019 10:31
![question](/tpl/images/cats/biologiya.png)
Biology, 25.11.2019 10:31
![question](/tpl/images/cats/biologiya.png)
Biology, 25.11.2019 10:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 10:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 10:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.11.2019 10:31
![question](/tpl/images/cats/mir.png)
World Languages, 25.11.2019 10:31
![question](/tpl/images/cats/istoriya.png)
History, 25.11.2019 10:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 10:31
![question](/tpl/images/cats/en.png)
English, 25.11.2019 10:31
![question](/tpl/images/cats/istoriya.png)
History, 25.11.2019 10:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.11.2019 10:31