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labwork [276]
3 years ago
13

Please help thank you

Physics
1 answer:
Valentin [98]3 years ago
5 0
Diagram A is the correct diagram
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Can someone answer questions 1-3 please.
Lunna [17]

Answer:

Question 1 is C.

thats all ik

Explanation:

4 0
3 years ago
The householder installs cavity wall insulation. What would happen to the time taken for the temperature to fall between points
scoundrel [369]

Answer:

the answers the correct one is: the time increases

Explanation:

When an insulating material is placed in the cavity of a wall the thermal conductivity of the system increases, therefore the temperature changes take longer.

             P= dQ / dt = K A dT / dx

when placing insulation the value of k is less

When reviewing the answers the correct one is: the time increases

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4 years ago
Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about the salt sampl
malfutka [58]

i know it is c

here is the answer

7 0
2 years ago
A high fountain of water is located at the center of a circular pool. Not wishing to get his feet wet, a student walks around th
Alisiya [41]

Answer:

The fountain is 3.43 m high.

Explanation:

Circumference of the pool = 15 m.

C = 2\pir

where C is the circumference and r its radius.

r = \frac{C}{2\pi }

 = \frac{15}{2(\frac{22}{7}) }

r = 2.3864

radius of the pool = 2.40 m

So that the height of the fountain, h, can be determined by applying trigonometric function.

Tan θ = \frac{opposite}{adjacent}

Tan 55 = \frac{h}{2.4}

h = Tan 55 x 2.4

  = 1.4282 x 2.4

  = 3.4277

h = 3.43 m

The height of the fountain is 3.43 m.

8 0
3 years ago
What type of convergent boundary is the himalayan mountains formed by
Diano4ka-milaya [45]

The Himalayan Mountains formed at a convergence plate boundary between the Eurasian plate and the Indian plate.

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3 years ago
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