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3 years ago

True or false: Equilibrium occurs when the quantity supplied exceeds the quantity demanded.

2 answers:

7 0

This is an economic question, just to add. This statement is wrong. Equilibrium is the point where quantity supplied meets the demand.
Supply and Demand are equal

Anastasy [175]3 years ago

4 0

False . IT IS FALSE. WE ARE TO LAZY TO READ ALL THAT.^^^^^

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When submerged in water, the brick appears to have an additional force pushing it ___upward ___downward. This additional force i

Neko [114]

Answer:

Therefore, the brick appears to have an additional force pushing it upward.

Explanation:

When a brick is submerged in the water, it has two forces acting upon it. One force is the gravitational force or the weight of the brick, that acts downward. The weight force also acts on the brick when it is not in water. But, in water an additional force acts on the brick. This additional force is named as Buoyant Force. This force is equal to the weight of the water displaced by the brick. And this Buoyant Force acts on the brick in the upward direction. The formula for this force is given as follows:

Buoyant Force = (Density of Water)(Volume of Water Displaced)(g)

Therefore, the brick appears to have an additional force pushing it upward.

8 0

4 years ago

Calculate the acceleration of a turtle going from 0.3 m/s to 0.7 m/s in 30 seconds.

uysha [10]

Initial velocity=u=0.3m/s
Final velocity=v=0.7m/s
Time=t=30s

$\\ \sf\longmapsto Acceleration=\dfrac{v-u}{t}$

$\\ \sf\longmapsto Acceleration=\dfrac{0.7-0.3}{30}$

$\\ \sf\longmapsto Acceleration=\dfrac{0.4}{30}$

$\\ \sf\longmapsto Acceleration=0.01m/s^2$

7 0

3 years ago

Two identical small charged spheres are a certain distance apart, and each initially experiences an electrostatic force of magni

Rom4ik [11]

Answer:

New force, $F'=\dfrac{1}{4}F$

Explanation:

The electrostatic force between two spheres is given by :

$F=\dfrac{kq_1q_2}{r^2}$

According to given condition, each of the spheres has lost half its initial charge, new force is given by :

$F'=\dfrac{kq_1/2q_2/2}{r^2}$

$F'=\dfrac{1}{4}\times \dfrac{kq_1q_2}{r^2}$

$F'=\dfrac{1}{4}F$

So, the new force becomes (1/4)th of the initial force. Hence, the correct option is (d).

4 0

4 years ago

23. What does a step-up transformer do?

nadya68 [22]

Answer: A transformer that increases the voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a step-up transformer. As a step-down unit, this transformer converts high-voltage, low-current power into low-voltage, high-current power.

Explanation:

7 0

3 years ago

A chemical reaction is taking place in a beaker. The side of the beaker feels cold to the touch. Which type of reaction is takin

Mekhanik [1.2K]

A chemical reaction is taking place in a beaker. The side of the beaker feels cold to the touch. An endothermic reaction is taking place, becaue energy is being absorbed from the surrounding.

5 0

3 years ago

Read 2 more answers