![subject](/tpl/images/cats/fizika.png)
Physics, 22.08.2019 15:20 bunnyqueen124
Workers load a 500kg safe onto an elevator that lifts it 90m to the twentieth floor of a building. how much work did the elevator do on the safe?
![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, 22.06.2019 01:00
An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:20
When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:30
3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 20:00
Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?
Answers: 1
You know the right answer?
Workers load a 500kg safe onto an elevator that lifts it 90m to the twentieth floor of a building. h...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2019 14:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.11.2019 14:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2019 14:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2019 14:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.11.2019 14:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 29.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 29.11.2019 14:31
![question](/tpl/images/cats/biologiya.png)
Biology, 29.11.2019 14:31