![subject](/tpl/images/cats/fizika.png)
An astronaut is wearing a jet pack on a space walk. including the jet pack, he has a mass of 90 kilograms. initially, he is not moving with respect to the spaceship nearby. if the astronaut fires 0.06 kilograms of gas from his thruster at a speed of 700 meters per second, what will his speed be after the firing? a. 0.32 meters/second b. 0.47 meters/second c. 4.7 meters/second d. 42 meters/ second
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 20:30
Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.
Answers: 2
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:30
The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 07:00
If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?
Answers: 2
You know the right answer?
An astronaut is wearing a jet pack on a space walk. including the jet pack, he has a mass of 90 kilo...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2020 22:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2020 22:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.08.2020 22:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.08.2020 22:01
![question](/tpl/images/cats/ekonomika.png)
Business, 29.08.2020 22:01