![subject](/tpl/images/cats/fizika.png)
Physics, 14.06.2021 14:50 pim9705876
2. A 950 kg sack of cement is lifted to the top of a building 50 m high by an electric motor. A) Calculate the increase in the gravitational potential energy of the sack of cement.​
![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 08:30
Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 09:00
Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:40
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
Answers: 1
You know the right answer?
2. A 950 kg sack of cement is lifted to the top of a building 50 m high by an electric motor. A) Cal...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.10.2019 03:00
![question](/tpl/images/cats/istoriya.png)
History, 01.10.2019 03:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.10.2019 03:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.10.2019 03:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.10.2019 03:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.10.2019 03:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/pravo.png)
Law, 01.10.2019 03:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.10.2019 03:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.10.2019 03:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.10.2019 03:00