Abody with a mass of 2,000 kg is lifted to a height of 15 m within a time of 15 s. which one of the following statements concerning the action is true?
a. the gravity force on the body is 294,000 n.
b. the potential energy of the body is 30,000 j.
c. the amount of work is 450,000 j.
d. the power exerted is 19,600 w.
Answers: 1
Physics, 22.06.2019 21:50
Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.
Answers: 3
Physics, 22.06.2019 23:50
The star nearest to our sun is proxima centauri, at a distance of 4.3 light-years from the sun. how far away, in km, is proxima centauri from the sun?
Answers: 3
Physics, 23.06.2019 02:00
Explain the difference in reactivity of the elements based on their electron configurations.
Answers: 1
Physics, 23.06.2019 02:30
What are two examples of phase changes that skip a phase during transition?
Answers: 1
Abody with a mass of 2,000 kg is lifted to a height of 15 m within a time of 15 s. which one of the...
Geography, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
Chemistry, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
History, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
Mathematics, 18.08.2019 09:30
English, 18.08.2019 09:30
Computers and Technology, 18.08.2019 09:30