The transfer of electrons occurs because _______________

MaRussiya [10]

In order to solve this problem, we must first find out the value of each line on the number line. However, we can make this problem more simple by ignoring every interval except for the ones between 0 and 6. There are three total intervals in between 0 and 6 (including 6 and excluding 0). Therefore, we can do 6/2, and get an interval value of 2. This means that each line adds a value of 2. Since the car is only one line past zero, we only have to add one value of 2. Since 0 + 2 = 2, our final answer is C. 2.

Hope this helps!

4 0

3 years ago

Read 2 more answers

Which of the following statements is true about the variation of pressure in function of the depth? O Pressure decreases exponen

mrs_skeptik [129]

Answer:

The answer is: Pressure increases linearly with the depth

Explanation:

In this case, the definition of pressure is:

$P = \frac{F}{A}$

where F = mg is the weight of the fluid over the body, and A is the area of the surface to which the force is exerted. If we consider $\rho = m/V$ , then

$P = \frac{mg}{A} = \frac{\rho Vg}{A}$ .

Volume can be expressed as V = A*h, where A is the cross section of the column of the fluid over the body and h is the height of the column, in other words, the depth.

So

$P = \frac{A\rho gh}{A}= \rho g h$ ,

which means that pressure increases linearly with the depth in a factor of $\rho g$ .

5 0

3 years ago

What additions must you make to the cell for it to generate a standard emf?

xeze [42]

Answer: Addition of salt bridge

To generate a standard electromotive force, an addition of salt bridge is essential to help maintain electrical neutrality within the internal circuit and prevent the cell from rapidly running its reaction to equilibrium.
In addition, salt bridge contains potassium sulfate, an inert electrolyte where its ions will diffuse into the separate half-cells to stabilize the building charges at the electrodes and produce electricity.

4 0

4 years ago

A shooting star is actually the track of a meteor, typically a small chunk of debris from a comet that has entered the earth's a

s2008m [1.1K]

Answer:

A. Power generated by meteor = 892857.14 Watts

Yes. It is obvious that the large amount of power generated accounts for the glowing trail of the meteor.

B. Workdone = 981000 J

Power required = 19620 Watts

Note: The question is incomplete. A similar complete question is given below:

A shooting star is actually the track of a meteor, typically a small chunk of debris from a comet that has entered the earth's atmosphere. As the drag force slows the meteor down, its kinetic energy is converted to thermal energy, leaving a glowing trail across the sky. A typical meteor has a surprisingly small mass, but what it lacks in size it makes up for in speed. Assume that a meteor has a mass of 1.5 g and is moving at an impressive 50 km/s, both typical values. What power is generated if the meteor slows down over a typical 2.1 s? Can you see how this tiny object can make a glowing trail that can be seen hundreds of kilometers away? 61. a. How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m at a constant speed? b. How much power must the motor supply to do this in 50 s at constant speed?

Explanation:

A. Power = workdone / time taken

Workdone = Kinetic energy of the meteor

Kinetic energy = mass × velocity² / 2

Mass of meteor = 1.5 g = 0.0015 kg;

Velocity of meteor = 50 km/s = 50000 m/s

Kinetic energy = 0.0015 × (50000)² / 2 = 1875000 J

Power generated = 1875000/2.1 = 892857.14 Watts

Yes. It is obvious that the large amount of power generated accounts for the glowing trail of the meteor.

B. Work done by elevator against gravity = mass × acceleration due to gravity × height

Work done = 1000 kg × 9.81 m/s² × 100 m

Workdone = 981000 J

Power required = workdone / time

Power = 981000 J / 50 s

Power required = 19620 Watts

Therefore, the motor must supply a power of 19620 Watts in order to lift a 1000 kg to a height of 100 m at a constant speed in 50 seconds.

6 0

3 years ago

An ice cube of volume 15 cm^3 and density 917 kg/m^3 is placed in ethyl alcohol of density 811 kg/m^3. What is the buoyant force

Amiraneli [1.4K]

Answer:

the buoyant force acting on the ice cube is 0.119 N

Explanation:

given,

volume of ice cube = 15 cm³ = 15 × 10⁻⁶ m³

density of ice cube = 917 kg/m³

density of ethyl alcohol = 811 kg/m³

buoyant force = ?

The density of ice is more than ethyl alcohol hence it will sink.

buoyant force acting on the ice cube = ρ V g

= 811 × 15 × 10⁻⁶ × 9.81

=0.119 N

so, the buoyant force acting on the ice cube is 0.119 N

3 0

3 years ago

The transfer of electrons occurs because ________________