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Inga [223]
3 years ago
11

Wanda has a cube of sugar. She crushes it into a powder. What has changed about the sugar?

Physics
2 answers:
stira [4]3 years ago
5 0
Mass always stays the same therefore it can’t be c and d. Volume stays the same because she is not removing anything. Therefore it is a
NikAS [45]3 years ago
5 0

Answer: A

Explanation:

Shape because mass and volume always stay the same.

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laser light hits two very narrow slits that are separated by 0.1mm adn is viewwed on a screen 2m downstream. Sketch on the axis
Irina-Kira [14]

Answer:

 d y / x = m λ

Explanation:

When the laser beam, which is a coherent light, hits the slits, part of each beam passes through each slit.

When this is observed on a screen that is quite far from the slits, a series of intense linear separated by dark areas. The explanation for this distribution of the light pattern is that when adding the rays that come out of the slits they travel different distances, which introduces a difference in optical path and if this difference is an integer multiple of the wavelength, a bright line

                d sin θ = m λ

Where d is the distance between the slits (0.1 mm)

Also, since the angle of the measurements is small, we can approximate the tangent

          tan θ = y / x = sin θ /sin θ

          sint θ = y / x

Substituting into the equation

          d y / x = m λ

This expression gives the location of the bright lines on the screen

5 0
3 years ago
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Is it correct to say that constant speed = 0 acceleration = no resultant force?
stepan [7]
Nope......... Constant speed but change in direction can cause acceleration which would give a finite force........
8 0
4 years ago
What scenario involves kinetic Energy transform into potential energy
Vinil7 [7]
The object which is projected upwards. The kinetic energy imparted as its launch is converted into potential energy as an object Rises until, at the peak of its motion, all the kinetic energy has been converted to additional potential energy
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3 years ago
A mass M tied to a light string is moving in a vertical circle. The tension in the string at the top is TT and TB at the bottom
natita [175]

Answer:

Explanation:

Tension provides centripetal force in the circular motion . In circular motion work done by force = torque x angle

torque is zero as , centripetal force passes through axis of rotation that is center.

So work done by centripetal force  = 0

So work done by tension on M = 0

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The dog does not go through metamorphosis.
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