Physics, 06.10.2019 15:50 camila9022
Three non-zero forces, f1, f2 , and f3, are acting on an object. forces f1 and f3 have opposite direction, and both are perpendicular to f2. under which conditions, if any, will the object be in equilibrium?
a. the magnitudes of f1 and f3 must be equal, and must be one half the magnitude of f2.
b. the magnitudes of f1 and f3 must be equal, and must be one third the magnitude of f2.
c. the magnitudes of f1, f2, and f3 must be equal.
d. no equilibrium
Answers: 2
Physics, 21.06.2019 20:20
To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b
Answers: 2
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 05:10
Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
Answers: 2
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
Three non-zero forces, f1, f2 , and f3, are acting on an object. forces f1 and f3 have opposite dire...
Mathematics, 02.04.2020 01:41
Mathematics, 02.04.2020 01:42
Mathematics, 02.04.2020 01:42
Mathematics, 02.04.2020 01:42
Mathematics, 02.04.2020 01:42
Mathematics, 02.04.2020 01:42
Mathematics, 02.04.2020 01:42