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adell [148]
3 years ago
11

DIylpst any three properties of 9.​

Physics
1 answer:
blsea [12.9K]3 years ago
7 0

Answer:Commutative property of multiplication: Changing the order of factors does not change the product. For example, 4 \times 3 = 3 \times 44×3=3×44, times, 3, equals, 3, times, 4.

Associative property of multiplication: Changing the grouping of factors does not change the product. For example, (2 \times 3) \times 4 = 2 \times (3 \times 4)(2×3)×4=2×(3×4)left parenthesis, 2, times, 3, right parenthesis, times, 4, equals, 2, times, left parenthesis, 3, times, 4, right parenthesis.

Identity property o

Explanation:

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The Sun is approximately 1,400 million kilometers from the planet Saturn, and light from the Sun travels to Saturn at the rate o
irinina [24]

Answer:

Light takes 77 minutes to travel from the Sun to Saturn.

Explanation:

The equation for the average velocity can be used to estimate the time that light will take to travel from the Sun to Saturn. The average velocity is defined as:

v = \frac{d}{t}   (1)

Where v is the velocity, d is the covered distance and t is the time.

Equation 1 can be rewritten for t to get:

t = \frac{d}{v}

It is necessary to express the speed of light in terms of minutes:

300000 \frac{Km}{s} . \frac{60 s}{1 min} ⇒ 1.8x10^{7} <em>Km/min </em>

t = \frac{1.4x10^{9} Km}{1.8x10^{7} Km/min}

t = 77 min

It is known that light takes 8,3 minutes to go from the Sun to the Earth, where the distance between each other is 150.000.000 Kilometers.  

5 0
4 years ago
To overcome an object's inertia, it must be acted upon by __________.
Nastasia [14]

Correct answer choice is :


C) Force


Explanation:


In physics, a force is any cooperation that, when unrestricted, will vary the motion of an object. A force can create an object with mass to alter its velocity to accelerate. Force can also be defined intuitively as a push or a pull. A force acting on an object may create the object to alter shape, to start moving, to stop moving, to stimulate or decelerate. When two objects communicate with each other they exert a force on each other, the forces are just in size but different in direction.

6 0
4 years ago
Read 2 more answers
How many electrons does a neutral atom of sudium-25 have
horrorfan [7]

Answer:

Option A. 11

Explanation:

The atomic number of an element does not change.

Recall:

Atomic number = proton number

If the atom is neutral, then,

Proton number = electron number

Since the element is sodium, then, the atomic number of sodium–25 is 11.

Also, we were told to obtain the electrons of a neutral atom of sodium–25

Therefore,

Atomic number = proton number = 11

Since the atom is neutral,

Proton number = electron number = 11

8 0
3 years ago
Free fall with an initial horizontal velocity is also called:
dimulka [17.4K]

Answer:

B. Projectile motion is the correct one

3 0
3 years ago
A 55 kgkg meteorite buries itself 5.5 mm into soft mud. The force between the meteorite and the mud is given by F(x)F(x) = (630
sashaice [31]

Answer:

W = 1.44 10⁻⁷ J

Explanation:

The expression for the job is

          W = ∫ F. dx

Where the point is the scalar product in this case the direction of the meteor and the depth is parallel, whereby the scalar product is reduced to the ordinary product

          W = 630 ∫ x³ dx

          W = 630 x⁴ / 4

Let's evaluate between the lower limit x = 0, w = 0 to the upper limite the point at x = 5.5 10⁻³ m

            W = 157.5 ((5.5 10⁻³)⁴ -0)

            W = 1.44 10⁻⁷ J

6 0
3 years ago
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