Physics, 12.02.2021 06:50 mnknmklhnklnj2583
1. The moon is attracted to the Earth. The mass of the Earth is 6.0x1024 kg and
the mass of the moon is 7.4x1022 kg. If the Earth and the Moon are 345,000
km apart, what is the gravitational force between them?
Answers: 2
Physics, 21.06.2019 19:30
The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.
Answers: 3
Physics, 22.06.2019 18:30
Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?
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
1. The moon is attracted to the Earth. The mass of the Earth is 6.0x1024 kg and
the mass of the moo...
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