Physics, 21.09.2019 18:30 nikitakhrabkov123

Which of this is not example of simple machine? a) a crowbar, b)a knife, c)a bicycle, d)a wheelchair ramp

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 06:30, kdfawesome5582

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

Answers: 2

continue

Physics, 22.06.2019 13:30, kuddlebugsmommy

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?

Answers: 1

continue

Physics, 22.06.2019 19:30, Bg88860709

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere

Answers: 2

continue

Physics, 22.06.2019 21:50, nathaniel12

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

continue

You know the right answer?

Which of this is not example of simple machine? a) a crowbar, b)a knife, c)a bicycle, d)a wheelchai...