Using an inclined plane, what happens to the amount of work that has to be done?
a. the amoun...
Physics, 21.08.2019 05:00 patricialeon244
Using an inclined plane, what happens to the amount of work that has to be done?
a. the amount of work increases.
b. the amount of work decreases.
c. the amount of wok remains the same.
d. the amount of work decreases then increases.
Answers: 1
Physics, 22.06.2019 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
Physics, 22.06.2019 15:30
Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?
Answers: 2
Physics, 22.06.2019 21:00
What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.
Answers: 1
Physics, 23.06.2019 02:00
How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57Γ10β21 newtons?
Answers: 2
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