Physics, 10.10.2019 22:30 sykirahopper123
View the astrotour continental drift by clicking on the link, and then select true statements from those listed below. choose one or more:
a. americus, europidus, and africanus are names of earlier versions of the continents.
b. the plates upon which the continents sit are still moving, and they will continue to move indefinitely.
c. over millions of years, the north and south american plates separated from the european and african plates, forming the atlantic ocean basin.
d. the landmass of earth was all contained in one giant supercontinent about 65 million years ago.
e. convection in earth’s mantle is an energy source that breaks continental plates apart and moves them around.
Answers: 2
Physics, 22.06.2019 03:50, cyberdac01
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 11:30, azduce
(2) (a) you have a simple circuit that consists of only a battery (δvbat=1.5v) and two resistors with resistance r1=10ω and r2=5ω, connected in series with each other. what is the current running through the battery? (b) you re-arrange your circuit so now r2 is attached in parallel to r1 rather than in series. what is the current running through the battery? (c) you add an additional resistor r3=7ω on the same branch as r2. what is the current running through the battery? (d) what is the power dissipated in r3?
Answers: 3
Physics, 22.06.2019 11:30, alupton4887
Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
Answers: 3
View the astrotour continental drift by clicking on the link, and then select true statements from t...
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