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forsale [732]
3 years ago
13

1) As evaporation increases, salinity____

Physics
2 answers:
ANEK [815]3 years ago
4 0
Here's some guesses, based on assumption that salinity is concentration of salt in a solution ...
1 increases
2 no change (mass of water doesn't change, it just changes liquid to solid.
3 as 2
4 don't know



vlada-n [284]3 years ago
3 0
What's your question? is it seprete questions
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The answer to your question is capacitor :)
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A motorboat and a pwc are approaching head-on. what action should be taken?
SashulF [63]
In this situation, both of the vehicles turn towards starboard.

By turning to the starboard, or right, side, the vehicles are able to avoid collision. Because waterways are not marked in a manner like roads are, it is necessary to place such conventions of turning in situations where vehicles approach one another head on. If a convention was not in place, the risk of collision would be many times greater. For example, the motorboat operator may turn left, while the PWC operator turns right, resulting in a collision.
7 0
4 years ago
4. A car travels 3 km due North, then 5 km East Represent
kow [346]

Answer:

x^2 =5^2+3^2

25+9

=

x = \sqrt{34}

5 0
3 years ago
A pendulum is made of a small sphere of mass 0.250 kg attached to a lightweight string 1.20 m in length. As the pendulum swings
forsale [732]

Answer:v=2 m/s

Explanation:

Given

Length of string L=1.2 m

mass of pendulum m=0.25 kg

maximum inclination with vertical \theta =34

vertical Rise of Pendulum from its mean position  is given by

\Delta h=L(1-\cos \theta )

Conserving Energy at top and bottom point

Potential Energy of sphere is converted into kinetic energy of sphere

mgL(1-\cos \theta )=\frac{mv^2}{2}

v=\sqrt{2gL(1-\cos \theta )}

v=\sqrt{2\times 9.8\times 1.2(1-\cos 34)}

v=\sqrt{4.021}

v=2 m/s

5 0
3 years ago
A student sects a leaf of length 7.2 cm to draw. Her drawing is 28.8 cm in length. What is the magnification of the drawing?
Alina [70]

Answer:

A) x4

Explanation:

Magnification is equal to image size divided by the actual size, or M = I/A.

The image size is the student's drawing, which is 28.8 cm, and the actual size is 7.2 cm. Divide them, and cancel out the units, and you should get:

28.8 cm/7.2 cm = 4

7 0
3 years ago
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