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Butoxors [25]
3 years ago
5

What is the physical significance of momentum. Like velocity gives us how position is changing with respect to time, what does m

omentum of an object show?
Physics
1 answer:
disa [49]3 years ago
7 0
Momentum helps us quantify how much movement an object has. For example, if we want to know how much movement an object of 2 kg moving at 4 m/s has, we take their product.
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3 years ago
A 10-foot ladder is leaning straight up against a wall when a person begins pulling the base of the ladder away from the wall at
docker41 [41]

Answer:

y = 4.36

Explanation:

Let the height of the ladder be L

L = 10

Also:

  • Let x = distance\ from\ the\ base\ of\ the\ ladder
  • Let y = height\ of\ the\ base\ of\ the\ ladder

When the ladder leans against the wall, it forms a triangle and the length of the ladder forms the hypotenuse.

So, we have:

L^2 = x^2 + y^2 --- Pythagoras Theorem

When the base is 9ft from the wall, this means that:

x = 9

Substitute 9 for x and 10 for L in L^2 = x^2 + y^2

10^2 = 9^2 + y^2

100 = 81 + y^2

Make y^2 the subject

y^2 = 100 - 81

y^2 = 19

Make y the subject

y = \sqrt{19

y = 4.36

<em>Hence, the true distance at that point is approximately 4.36ft</em>

8 0
3 years ago
Which state has the most fixed shape?<br> O A. Gas<br> O B. Solid<br> O C. Liquid<br> O D. Plasma
Mrac [35]

Answer: Liquid

“A substance will take on the shape of an open container if it is a Liquid. Explanation: The major state of matter are solid, liquid and gas. Liquid usually have a definite volume.”

3 0
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If one 9V battery is used in a circuit with a total resistance of 39Ω, what is the current in the circuit?
Ket [755]

Answer:

Using V= IR

I= 0.2307 Ampere

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2 years ago
Where does every piece of matter begin?
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Every piece of matter begins “Out of this world”
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