1. Who were the first three countries to build rocket engines?
O Russia, Germany, China
O Ger...
![subject](/tpl/images/cats/fizika.png)
Physics, 26.10.2020 19:40 Person51761
1. Who were the first three countries to build rocket engines?
O Russia, Germany, China
O Germany, China, Canada
O Russia, USA, Germany
O USA. China, Russia
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 21:10, ineedhelp2285
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2
Answers: 2
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 23:00, Neko1kat
Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:30, haileysolis5
The flow of electrons from one atom to another is called
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 08:30, jd326677777gfc
List and describe three ways that humans can change ecosystems and three ways that humans can protect ecosystems.
Answers: 2
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/geografiya.png)
Geography, 10.12.2020 01:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mkx.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.12.2020 01:00
![Konu](/tpl/images/cats/fr.png)
French, 10.12.2020 01:00
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.12.2020 01:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.12.2020 01:00
![Konu](/tpl/images/cats/biologiya.png)
Biology, 10.12.2020 01:00