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frutty [35]
3 years ago
12

Name at least 2 some common chemical property of matter​

Physics
1 answer:
Elden [556K]3 years ago
3 0

Answer:

they're divided in two ways extensive/intensive or physical/chemical

intensive properties do not depend on the amount of matter this includes (boiling point and color)

extensive properties depend on the amount of matter that is being measured (mass, and volume)

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when an object is placed near a concave mirror, at what position does it forms a magnified and erect image.​
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Between the principal focus and the pole of the mirror

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Name 5 machine principles​
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The Wheel & Axle. The wheel has always been considered a major invention in the history of mankind

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3 years ago
Read 2 more answers
A. 2kg<br><br> B. 6kg<br><br> C. 8kg<br><br> D. 14kg
Sati [7]

Answer:

A

Explanation:

We know the force is (16N-12), which is 4N, and we know the acceleration is 2 m/s^2. Meaning, we can solve the formula m = F / a (mass equals force divided by acceleration), and we get 2kg.

7 0
3 years ago
A truck covers 47.0 m in 8.60 s while smoothly slowing down to final speed of 2.30 m/s. (a) Find its original speed.
Kruka [31]

Explanation:

Given that,

Distance, s = 47 m

Time taken, t = 8.6 s

Final speed of the truck, v = 2.3 m/s

Let u is the initial speed of the truck and a is its acceleration such that :

a=\dfrac{v-u}{t}.............(1)

Now, the second equation of motion is :

s=ut+\dfrac{1}{2}at^2

Put the value of a in above equation as :

s=ut+\dfrac{1}{2}\times \dfrac{v-u}{t}\times t^2

s=\dfrac{t(u+v)}{2}

u=\dfrac{2s}{t}-v

u=\dfrac{2\times 47}{8.6}-2.3

u = 8.63 m/s

So, the original speed of the truck is 8.63 m/s. Hence, this is the required solution.

8 0
4 years ago
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