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Salsk061 [2.6K]
3 years ago
11

Need help with these

Physics
2 answers:
Rina8888 [55]3 years ago
5 0

Answer:

I cant read that.

Explanation:

mina [271]3 years ago
5 0
I. The alpha particle is a helium nucleus; it consists of two protons and two neutrons. It contains no electrons to balance the two positively charged protons. ... Beta particles are emitted by neutron rich unstable nuclei. Beta particles are high energy electrons.
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Which material would you take, steel or bricks/stone to design a bridge. Why? ( Question related to poisson's ratio)​
Ann [662]

i  would choose steel because the steel used for normal construction have several hundred Mega Pascal strength. one of the special feature of steel is its ductility. it is the deformation capability before the final breakage.

8 0
4 years ago
Earth’s atmosphere is in hydrostatic equilibrium. What this means is that the pressure at any point in the atmosphere must be hi
Misha Larkins [42]

Answer: The pressure that one experiences on the Mount Everest will be different from the one, in a classroom. It is because pressure and height are inversely proportional to each other. This means that as we move up, the height keeps on increasing but the pressure will keep on decreasing. This is the case that will be observed when one stands on the Mount Everest as the pressure is comparatively much lower there.

It is because as we move up, the amount of air molecules keeps on decreasing but all of the air molecules are concentrated on the lower part of the atmosphere or on the earth's surface.

Thus a person in a low altitude inside a classroom will experience high pressure and a person standing on the Mount Everest will experience low pressure.

6 0
4 years ago
Pls answer quick with right answer !!!
svetoff [14.1K]

Answer: I will say ''Law of conservation of energy.''

Explanation: Please tell me the answer you get!:)

7 0
3 years ago
A car makes a trip due north for three-fourths of the time and due south one-fourth of the time. The average northward velocity
jekas [21]

Answer:

v = 24.5 m

Explanation:

Average speed is defined as

       v = (x_{f} - x₀) / t

The distance is

        x = v t

In this case we can find the speed

       v = (v_nort ¾ t + v_sud ¼ t) / t

        v = 45 ¾ - 37 ¼

        v = 24.5 m

3 0
3 years ago
HELP QUICK! Please can anyone do the other half for me
IrinaVladis [17]

Answer:

9) c

10) c

11) d

12) d

Explanation:

I think it's helps you

4 0
3 years ago
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