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3 years ago

Oxidation and reduction are processes which

Physics

1 answer:

Firlakuza [10]3 years ago

4 0

Answer:

Oxidation is increase in oxidation number while reduction is decrease in oxidation number.Redox is change in oxidation number.

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A plane rises from take-off and flies at an angle of 5 degrees5° with the horizontal runway. When it has gained 800800 feet, f

dedylja [7]

Answer:

$distance=9188149.567feet$

Explanation:

Given Data

Angle α=5°

height h=800800 feet

To find

Distance r

Solution

As we Know that

$Sin\alpha =(\frac{Perpendicular}{hypotenuse} )\\Sin\alpha =\frac{h}{r}\\ r=\frac{h}{Sin\alpha}\\ r=\frac{800800feet}{Sin(5^{o} )}\\ r=9188149.567feet$

4 0

3 years ago

How does the mass of something affect the potential energy?

jonny [76]

Mass is <span>is a dimensionless quantity representing the amount of matter in a particle or object. The more mass something has, the more energy is used to lift it.</span>

7 0

4 years ago

) The velocity function is v(t)=−t2+3t−2v(t)=−t2+3t−2 for a particle moving along a line. Find the displacement (net distance co

77julia77 [94]

Answer:

89.87m/s

Explanation:

Given the velocity function

v(t)=−t²+3t−2

In order to get the displacement function, we will integrate the velocity function as shown:

$\int\limits^5_{-2} {v(t)} \, dt \\d(t)= \int\limits^5_{-2}{(-t^2+3t+2)} \, dt \\\\d(t)=[\frac{-t^3}{3}+\frac{3t^2}{2}+2t ]^5_{-2}\\$

at t = 5

$d(5)=[\frac{-5^3}{3}+\frac{3(5)^2}{2}+2(5) ]\\d(5)=[\frac{-125}{3}+\frac{75}{2}+10 ]\\d(5)=-41.7+37.5+10\\d(5)=89.2m/s$

at t = -2

$d(-2)=[\frac{-(-2)^3}{3}+\frac{3(-2)^2}{2}+2(-2) ]\\d(-2)=[\frac{-8}{3}+\frac{12}{2}+(-4) ]\\d(-2)=-2.67+6-4\\d(-2)=-0.67m/s$

Required displacement = d(5) - d(-2)

Required displacement = 89.2 - (-0.67)

Required displacement = 89.2 + 0.67

Required displacement = 89.87m/s

5 0

3 years ago

What is the purpose of a voltage source?

ivann1987 [24]

Answer:

B. It increases the potential energy of electrical charges to produce a current.

Explanation:

Battery is a source of constant potential difference

When a charge is passed through the battery then its potential energy changes by

$\Delta U = Q\Delta V$

here we know that

$\Delta V$ = potential difference of battery

so as the charge is passing through the terminals of battery its potential energy is changed by above value.

Now by the conservation of energy principle we know that this change in potential energy will convert into kinetic energy of charge and then the flow of charge will produce current in the circuit.

So battery is used to maintain a constant current in the circuit by giving potential energy to the charge.

4 0

3 years ago

Identify the kind of energy the Ball had when you held the ball at 100 cm

Viktor [21]

Answer:

science

Explanation:

6 0

3 years ago

Read 2 more answers