Why does sugar sink to the bottom of the teacup (for science btw)

Answers

Answer 1

Answer: I know what you are wondering and the answer is simply crystals are more dense than water , so they sink but if you warm it up they can combine with it to become one.
dose this help?

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Which of the following is NOT supported by Newton's Second Law?1 The mass of an object will change depending on the force acting on it

2 The greater the force applied on an object, the greater it's acceleration

3 You can find the mass of an object if you know it's acceleration and the forces acting on it

4 Force is equal to the product of mass and acceleration

Answers

Answer:

1. The mass will change depending on the force.

Explanation:

We know that the newton's second law of motion gives the relation between the mass (m) of an object, force (F) applied and the corresponding measure of acceleration (a) of the object. This can be expressed in the form of an equation:

F = ma

Thus force is the product of mass and acceleration. Using this equation we can derive mass of an object, if acceleration and force values are known.

In the given equation, mass is a constant value and mass will not change in any case. Therefore force is directly proportional to amount object will be accelerated. With the increase in force applied on object, amount the object accelerated will increase and vice versa

Simple Machine Lever: A ________ that pivots on top of a fixed point called a _______.

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A bar that pivots on top of a fixed point is called a lever.

If opposite poles repel each other, why does the north end of a compass point to the north pole?

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Ratios are fractions

If a plane has an airspeed of 40 m/s and is experiencing a crosswind of 30 m/s, what is its ground speed in m/s?

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Answer:50 $ms^(-1)$

Explanation:

Let $v_(a)$ be the airspeed.

Let $v_(w)$ be the cross wind speed.

We know that,ground speed is the vector sum of airspeed and cross wind speed and airspeed is perpendicular to cross wind speed.

If $v_(1)$ and $v_(2)$ are two perpendicular vectors,the resultant vector has the magnitude $\sqrt{|v|_(1)^(2)+|v|_(2)^(2)}$

Given,

$v_(a)=40ms^(-1)\nv_(c)=30ms^(-1)$

So,the ground speed is $\sqrt{40^(2)+30^(2)}=√(2500)=50ms^(-1)$

Describe how velocity changes with time

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Speeding up, slowing down, and changing direction ... like moving along a curve ... are all changes in velocity. They're also all accelerations.

If the mass is 180g and the volume is 90g what is the density

Answers

The volume can't be 90g.

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