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V125BC [204]
3 years ago
8

17. (16 pts) You set up a two-slit experiment with a laser that produces light with a

Physics
1 answer:
Natali [406]3 years ago
4 0

when the two waves interfere with eachother to make a dark spot the periodic difference of the two waves is π . the wave length for 2π is 600nm

. ie. for π difference it is 300nm

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A zebra drinks from a watering hole and is ambushed by a crocodile. What's more important and why: the zebra having a high maxim
elena55 [62]

Answer:

before this type of attack, high acceleration is the most important thing.

Explanation:

As the zebra is ambushed by the crocodile the most important thing is a quick reaction, in this attack the most likely is that the crocodile is in the water so it cannot run after the zebra.

Consequently, before this type of attack, high acceleration is the most important thing.

5 0
2 years ago
Two balls of unequal mass are hung from two springs that are not identical. The springs stretch the same distance as the two sys
IRISSAK [1]

Answer:

b) Springs oscillate with the same frequency,

Explanation:

expression for frequency of vibration of mass hanging from a spring is given as follows

f = \frac{1}{2\pi} \times \sqrt{\frac{k}{m} }

k is force constant of spring and m is mass vibrating .

In the present case, if mass stretches the spring by x and remains balanced

mg = k x

\frac{k}{m} =\frac{g}{x}

g and x are same  for both cases

\frac{k}{m} will also be same for both cases .

Hence frequency of vibration will also be same for both the balls .

4 0
3 years ago
We observe that a small sample of material placed in a non-uniform magnetic field accelerates toward a region of stronger field.
Aleksandr [31]

Answer:

<em>C) It is either ferromagnetic or paramagnetic</em>

Explanation:

The complete question is given below

We observe that a small sample of material placed in a non-uniform magnetic field accelerates toward a region of stronger field. What can we say about the material?

A) It must be ferromagnetic.

B) It must be paramagnetic.

C) It is either ferromagnetic or paramagnetic.

D) It must be diamagnetic.

A ferromagnetic material will respond towards a magnetic field. They are those materials that are attracted to a magnet. Ferromagnetism is associated with our everyday magnets and is the strongest form of magnetism in nature. Iron and its alloys is very good example of a material that readily demonstrate ferromagnetism.

Paramagnetic materials are weakly attracted to an externally applied magnetic field. They usually accelerate towards an electric field, and form internal induced magnetic field in the direction of the external magnetic field.

The difference is that ferromagnetic materials can retain their magnetization when the externally applied magnetic field is removed, unlike paramagnetic materials that do not retain their magnetization.

In contrast, a diamagnetic material is repelled away from an externally applied magnetic field.

8 0
3 years ago
What is Physics to you? What do you know about it?
cupoosta [38]

Answer:

Physics is the study of matter and the way living things behave everyday....It is related to maths in how we measure the way objects or people do specific things physics has many branches under it that can be helpful too.....Physics teaches us about the world,about the mechanical things we do about air,space,matter about the solar system and about simple machines and things that we do everyday in life.... What we do everyday is related to physics....

7 0
2 years ago
One half of a balanced chemical equation is shown. 3Mg(OH)2 + 2H3PO4
balandron [24]
3 Mg, 2 P, 14 O, 12 H
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2 years ago
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