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3 years ago

8

if you place 0°c ice into 0°c water in an insulated container, what will happen? Will some ice melt, will more water freeze, or

will neither take place?

1 answer:

antoniya [11.8K]3 years ago

6 0

Answer:

neither will happen

Explanation:

cause the water is already defreezed

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The first jeans, made by Levi Strauss & Co., were invented in which year?

galina1969 [7]

Answer:

1873

Explanation:

The next time you see someone wearing a pair of Levi's® jeans, remember that these pants are a direct descendant of that first pair made back in 1873. That year, two visionary immigrants — Levi Strauss and Jacob Davis — turned denim, thread and a little metal into what has become the most popular apparel on earth.

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3 years ago

Read 2 more answers

An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west. It start

11Alexandr11 [23.1K]

Given :

An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west.

It starts at the 14-inch mark, crawls to the 20-inch mark, then moves to the 16-inch mark.

To Find :

The total distance the ant traveled.

Solution :

Total distance travelled by ant = (distance between 14 and 20 inch mark) +

(distance between 20 and 16 inch mark)

Total distance = (20-14 ) + ( 20-16) = 6 + 4 = 10 inch.

Therefore, total distance the ant traveled is 10 inch.

Hence, this is the required solution.

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3 years ago

A cubical gaussian surface surrounds a long, straight, charged filament that passes perpendicularly through two opposite faces.

laiz [17]

Answer:

The electric flux is zero through four cube surfaces given that a cubical gaussian surface surrounds a long, straight, charged filament that passes perpendicularly through two opposite faces.

Explanation:

Assuming the charged filament is quite long and you are not near the edges, the two opposing sides that the filament travels through have no flux. If the charge filament is long, which you may assume is indefinitely long, then there is the equal amount of charge on the left and right of where you are, therefore the electric field has no preference for left or right. This implies that the electric field can only travel in or out of the filament. No field lines run through the two faces of the cube that the filament goes through if the electric field is not moving left or right. There are electric field lines on the four sides of the filament.

To learn more about cubical gaussian surface and electric flux. Click brainly.com/question/13003911

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2 years ago

erik [133]

Everything with 1 symbol = Element
Everything with multiple symbols = Compound

Elements are the smallest particles (if we go further things start to get weird). Compounds are ALWAYS made up from elements.

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4 years ago

A boy walks a distance of 100 meters to the right at a steady speed of 1.00 m/s. Then he stops for 30 seconds. Then returns back

Mamont248 [21]

Explanation:

$speed=\frac{Distance}{time}$

In the figure attached:

A boy travels AB distance of 100 m, with speed of 1.00 m/s

AB = 100 m

$1.00 m/s=\frac{100 m}{t_1}$

$t_1=100 s$

After reaching at point B he stops there at for 30 seconds.

$t_2= 30 s$

After , 30 seconds he he comes back to his initial position that is A with steady speed of 1.00 m/s.

Distance covered from B to A= 100 m

Time taken by him during coming back= $t_3$

$1.00=\frac{100 m}{t_3}$

$t_3=100 s$

After returning to to point A he turns left and moves towards point C with speed of 1.5 m/s for 2 minutes.

Distance of AC = ?

$t_4=2 min= 120 s$

$1.5 m/s=\frac{AC}{120 s}$

AC = 180 m

The total time of his round trip is:T

$T=t_1+t_2+t_3+t_4=100 s+30 s(stop)+ 100 s(returning)+120 s=350 s$

The total distance: D

D = AB + BA (returning) + AC=100 m + 100 m + 180 m = 380 m[/tex]

The total displacement of boy:

Displacement is the shortest distance between the initial point and final point.

He first walked to point B from A and then came back to A . And after that walking to point C from A.So, the final displacement (d) is from A to C.

d = AC = 180 m

The total displacement of boy is 180 m.

The average speed of the boy is given by:

$=\frac{AB+BA+AC}{t_1+t_2+t_3+t_4}=\frac{D}{T}$

$\frac{D}{T}=\frac{380 m}{350 s}=1.085 m/s$

The average velocity of the boy is given by:

$=\frac{AC}{t_1+t_2+t_3+t_4}=\frac{d}{T}$

$\frac{d}{T}=\frac{180 m}{350 s}=0.5142 m/s$

5 0

4 years ago