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N76 [4]
3 years ago
7

if you look inside the bowl of a shiny metal spoon, your image is upside down. if you look at the outside of the bowl, your imag

e is right side up. explain.
Physics
1 answer:
vladimir2022 [97]3 years ago
6 0
Because one side of the spoon is convex and the other side is concave, the spoon’s different sides reflect differently.
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Cell are small and us human can't see them with our own eyes. it is in possible to see cell without a microscope
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3 years ago
A 2kg block of which material would require 450 joules of thermal energy to increase its temperature by 1 degree Celsius?
12345 [234]

The block is made of A) Tin, as its specific heat capacity is 0.225 J/(g^{\circ}C)

Explanation:

When an amount of energy Q is supplied to a sample of material of mass m, the temperature of the material increases by \Delta T, according to the following equation :

Q=mC_s \Delta T

where  C_s is the specific heat capacity of the material.

In this problem, we have:

m = 2 kg = 2000 g is the mass of the unknown material

Q = 450 J is the amount of energy supplied to the block

\Delta T = 1^{\circ}C is the change in temperature of the material

Solving the equation for C_s, we can find the specific heat capacity of the unknown sample:

C_s = \frac{Q}{m \Delta T}=\frac{450}{(2000)(1)}=0.225 J/(g^{\circ}C)

And by comparing with tabular values, we can find that this value is approximately the specific heat capacity of tin.

Learn more about specific heat capacity:

brainly.com/question/3032746

brainly.com/question/4759369

#LearnwithBrainly

7 0
3 years ago
Matter is made of small particles to small to be seen. Which of these best describe evidence of this statement? 1. Tara’s crayon
son4ous [18]

Answer:

Explanation:

I think the answer is statement no 3.

Hope it helps.

5 0
3 years ago
Read 2 more answers
Different between current and electrons?
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Answer:

Simply,

<u>electrons</u> are "PARTICLES" orbiting the atoms, where, <u>current</u><u> </u>is the FLOW of some (free-to-move-around) electrons in a wire...

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What physical property makes metal pots good for cooking
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The metal conducts the heat, which makes cooking easier.
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