Physics, 20.05.2021 02:50 twinchristiansp4xhd2
15 points for each answer also I will report silly-bop answers!
One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below.
Fill a rectangular baking glass dish with water.
Place a lighted lamp near the left edge of the dish.
Place a plastic bag with ice in the water near the right edge of the dish.
Put a few drops of ink in the water.
Observe the ink flow from the side where the lamp is placed towards the side where the ice bag is placed.
What does the students' experiment most likely demonstrate?
A. Surface-water sinks when heated.
B. Surface water moves from colder to warmer regions.
C. Surface water moves from warmer to colder regions.
D. Surface water moves irrespective of water temperature.
Answers: 3
Physics, 22.06.2019 15:30
What is the increase in density of a medium due to wave travel?
Answers: 2
Physics, 23.06.2019 10:10
Now that we have a feel for the state of the circuit in its steady state, let us obtain the expression for the current in the circuit as a function of time. note that we can use the loop rule (going around counterclockwise): e−vr−vl=0. note as well that vr=ir and vl=ldidt. using these equations, we can get, after some rearranging of the variables and making the subsitution x=er−i, dxx=−rldt. integrating both sides of this equation yields x=x0e−rt/l. use this last expression to obtain an expression for i(t). remember that x=er−i and that i0=i(0)=0. express your answer in terms of e, r, and l. you may or may not need all these variables. use the notation exp(x) for ex.
Answers: 1
15 points for each answer also I will report silly-bop answers!
One group of students did an experi...
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