PHYSICS HIGH SCHOOL

Select all that apply.At night, thermal energy moves _____.
from space to the atmosphere
from the land to the atmosphere
from the atmosphere to the land
from the atmosphere to space

Answers

Answer 1
Answer:

Answer:

From the Land to the atmosphere

From the atmosphere to space

Explanation:
Answer 2
Answer:

Answer:

from the atmosphere to space

from the Land to the atmosphere

Explanation:

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A student who has trouble hearing and must have a written copy of class lectures in order to participate in class is considered to have which of the following?
In a container of negligible heat capacity, mix 6kg of ice at -40 ° C with 3kg of steam at 120 ° C, determine the equilibrium temperature.
If the absolute pressure of a gas is 550.280 kPa, its gage pressure is A. 101.325 kPa.B. 651.605 kPa.C. 277.280 kPa.D. 448.955 kPa.

My dog Callie can run at 21 mi/h. How far can he travel in 10 hours?

Answers

Answer: 210 miles

Explanation:

21 mi/1 hr

21 * 10 hrs

210 mi

How was Bohr's atomic model different from those of previous scientists?

Answers

Answer:Bohr placed the electrons in distinct energy levels.  Rutherford described the atom as consisting of a tiny positive mass surrounded by a cloud of negative electrons. Bohr thought that electrons orbited the nucleus in quantised orbits.

Explanation: also rutherfords was just a hypothesis while Bhor took the time to make his an experiment

Calculate the annual potential energy contained in the water that is held back by the dam. Assume an average height of the water, h of 100.0 m. Express the answer in GJ (at least three significant figures).

Answers

Answer:

The potential energy can be given as

E = mgh. m is mass, g = acceleration due to gravity = 9.8m/s, h is the heigh, given as 100.0m

E = m x 9.8 x 100 = (980m)J

E = (980m)/10^9GJ = (0.000000980m)GJ to 3 significant figures

Explanation:

Hydroelectric dams exploit storage of gravitational potential energy. A mass, m, raised a height, h against gravity, g = 9.8 m/s², is given a potential energy E = mgh. The result will be in Joules if the input is expressed in meters, kilograms, and seconds (MKS, or SI units).

The strength of gravitational force is dependent on the masses of and distance between two objects. a. True
b. False

Answers


Truer words are seldom written.

Which lighting direction is used to create silhouettes?

Answers

Backlighting is used to create silhouettes 

HOPED I HELPED

Backlight is the answer

Where is the field of each charge the strongest ?(A. positive charge arrows pointed out)
(B.negative charge arrows pointed inward)

Answers

First we have to agree on what you mean by "strongest".

To me, "strongest" means the place where it exerts the greatest
force on another charge that happens to be passing by.

In both cases ... 'A' and 'B' ... that's going to be right smack on top
of the charge itself, or as close to it as you can get.

On drawings, it's the spot where the field 'lines' are closest together.

It makes no difference whether the original charges are positive or negative.
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When you whisper, you produce a 10-dB sound.a. When you speak quietly, your voice sounds twice as loud as a whisper. How many decibels is this? b. When you speak normally, your voice sounds 4 times as loud as a whisper. How many decibels is this? c. When you yell, your voice sounds 8 times as loud as a whisper. How many decibels is this?
How much physical activity do adults need?