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tiny-mole [99]
3 years ago
6

For two variables in a direct proportion, what is the result of doubling one variable?

Physics
1 answer:
Alexandra [31]3 years ago
7 0
If two variables are in direct proportion, doubling one variable means the other should also be doubled because the two variables increase at the same rate.
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All of the following are ways in which sedimentary rocks form EXCEPT
Anna71 [15]

Except A. Lava cooling

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3 years ago
as you sit on a dock, you notice a wave crest pass. you count another 16 wave crests in the next eight seconds. what is the freq
uysha [10]
The SI unit for frequency is Hertz (Hz), or simply, the reciprocal of a second. It measures how fast an object could be moving. In this case, the frequency would be 16 wave crests per 8 seconds (16/8 = 2). In simplified answer, the frequency is 2 per second, or 2 Hz.
5 0
3 years ago
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The magnitude of vector A is 2.5 m and is directed towards east. The magnitude and direction of A /2 will be​
const2013 [10]

The magnitude and direction of half of the given vector A is 1.25 m east.

The given parameters;

  • <em>magnitude of vector A = 2.5 m east</em>

A vector can be described with both magnitude and direction. The magnitude of the vector is the scalar or numeric representation of the vector.

When the scalar representation has direction, we term the quantity a vector quantity.

The magnitude of half of the given vector is calculated as follows;

\frac{A}{2} = \frac{2.5 \ m}{2} = 1.25 \ m\ east

Thus, the magnitude and direction of half of the given vector A is 1.25 m east.

Learn more here:brainly.com/question/14586816

4 0
3 years ago
A piece of aluminum requires 4,000 J of energy to change
photoshop1234 [79]

Answer:

Mass, m = 105.58 g

Explanation:

We have,

Heat required in aluminium to change the temperature from 68°C to 110°C. It is required to find the mass of aluminium.

Concept used : Specific heat capacity

Solution,

The heat required to raise the temperature is given by :

Q=mc\Delta T

c is specific heat capacity, for Aluminium, c = 0.902 J/g-°C

m=\dfrac{Q}{c\Delta T}\\\\m=\dfrac{4000\ J}{0.902\ J/g^{\circ} C\times (110-68)^{\circ} C}}\\\\m=105.58\ g

So, the mass of aluminium is 105.58 grams.

8 0
3 years ago
Write down the factors on which moment depends upon ?​
timurjin [86]

Answer:

  • The size of a force
  • The perpendicular distance from the pivot the line of action of force

Explanation:

Factors that affect the moment of a force are;

  • The size of a force
  • The perpendicular distance from the pivot the line of action of force

The magnitude of force applied is directly proportional to the moment of force in that for a perpendicular distance d, increased in force applied will result to a higher moment of force. When the perpendicular distance from the pivot is decreased while the force applied remains constant, the moment of force decreases.

5 0
3 years ago
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