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UVA

I'm pretty sure it's UVA :)

Answer:

Where is the diagram????

Answer:

reflection

Explanation:

Answer:

365 days

So The Final Answer is a Year

D is the answer

Explanation:

Answer:

C one month

Explanation:

Answer:

see below

Explanation:

B is the activation energy

A is the enthalpy change which is negative

C is the product of oxygen and ethanol which is carbon dioxide and water

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Explanation:

 A burning candle emits radiation in the form of heat and light. The Sun emits radiation in the form of light, heat, and particles.

Answer: The energy from the sun is one great example of radiation. The sun emits light in a broad range of wavelengths which all contain energy. These waves are also discussed in the climate section for energy balance. The waves are emitted from the sun and travel through space and hit the earth and other planets.

EXTRA EXAMPLES: heat from a stove burner.

visible light from a candle.

x-rays from an x-ray machine.

alpha particles emitted from the radioactive decay of uranium.

sound waves from your stereo.

microwaves from a microwave oven.

electromagnetic radiation from your cell phone.

Answer:

We conclude that the required momentum is 80 kgm/s.

Explanation:

Given

To determine

The momentum p = ?

Important Tip:

We can determine the momentum using the formula

[tex]p = mv[/tex]

where

now substituting m = 20 and v = 4 using the equation

[tex]p = mv[/tex]

[tex]p = (20) (4)[/tex]

[tex]p = 80[/tex] kg m/s

Therefore, we conclude that the required momentum is 80 kgm/s.

The momentum of the moving cart is 80kgm/s.

HOW TO CALCULATE MOMENTUM:

Momentum (p) = mass (m) × velocity (v)

Momentum (p) = 20kg × 4m/s

Momentum (p) = 80kg*m/s.

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Answer:

O2 has two more electrons compared to N2, with extra 2 electrons in the higher energy anti-bonding orbitals known as Diradical. These electrons have higher energy and are unpaired; therefore, O2 is more reactive

Explanation:

Answer:

O B. Oxygen needs to gain only 2 electrons to have a full octet, while nitrogen needs to gain 3.

Explanation:

Answer:

A driver breaks suddenly and the passengers are flung forward

R=10+15+30

55 is the answer to the question

Answer:

6.5 rad/s

11.695 kJ

Explanation:

Using the principle of conservation of momentum, we have

L1 = L2 and

I1w1 = I2w2, with I being the moment of inertia and w being the angular velocity.

w1 = 0.4 rev/s = 0.4 * 2π = 2.51 rad/s

Moment of Inertia, I = ½MR² + mr²

I1 = ½ * 73 * 2.5² +99 * 2.5²

I1 = 73 * 3.125 + 99 * 6.25

I1 = 228.125 + 618.75

I1 = 846.875 kgm²

The man has been said to have walked 1 m away from his position, so then

I2 = ½ * 73 * 2.5² + 99 * 1²

I2 = 228.125 + 99

I2 = 327.125 kgm²

From the formula stated above,

w2 = I1w1 / I2

w2 = (846.875 * 2.51) / 327.125

w2 = 2125.65725 / 327.125 rad/s

w2 = 6.5 rad/s

2

K = Iw²

K = 846.875 * 2.51²

K = 2125.65725 J

K'= Iw²

K' = 327.125 * 6.5²

K' = 13821.03125 J

Change in energy is given as, K' - K, so that

Energy, E = 13821.03125 - 2125.65725

Energy, E = 11.695 kJ

Answer:

see below

Explanation:

frequency of a wave is the number of complete waves produced per second

so 70 Hz

means, that 70 complete waves are produced in one second,

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Answer:

Time = 12.27seconds

Explanation:

Given

Speed = 25miles/hour

Distance = 150 yards = 150(0.000568182)miles

Distance (in miles) = 0.0852273miles

Get the time

Speed = Distance/Time

Time = Distance/Speed

Time = 0.0852273/25

Time = 0.0034hours

Time = 0.0034 * 3600secs

Time = 12.27seconds

Answer:

The light energy from the sun causes the particles of the object to vibrate, transforming the light energy into heat energy. The heat energy is then radiated out as infrared light.

Explanation:

Answer:

200 m\ s Ans .....

Explanation:

Data:

f = 200 Hz

w = 1.0 m

v = ?

Formula:

v = f w

Solution:

v = ( 200)(1.0)

v = 200 m\s Ans .........

Answer:

The cha-cha-cha, is a dance of Cuban origin. It is danced to the music of the same name introduced by Cuban composer and violinist Enrique Jorrin in the early 1950s. This rhythm was developed from the danzón-mambo

Answer:

Explanation:

mass of ship = volume x density

= 4000 x 7900 = 316 x 10⁵ kg

The ship must displace water equal to weight of ship that is 316 x 10⁵ kg .

If volume of displaced water be V .

V x 10³ is mass of displaced water

V x 10³ = 316 x 10⁵

V = 31600 m³.

b ) Now the volume of steel making ship is only 4000 m³ so if it is in the form of a lump , it will displace only water equal to its volume ie 4000 m³ . So in order that it may displace water equal to volume 31600 m³ , it must be given shape so that it is hollow .

Answer:

Kinetic Energy:120 x 15=1800

Explanation:

Answer:

13500J

Explanation:

Kinetic energy = (1/2×120)kg × (15m/s)^2

KE = 60kg × 225 (m/s)^2 = 13500J

Answer:

Explanation:

Given that:

[tex]q_1 = + 4nC \\ \\ q_2 = -4nC \\ \\ q = 4nC[/tex]

[tex]P_1 = (0,0.04,0) m\\\\ P_2 = (0,0.05,0) m[/tex]

As [tex]q_1[/tex] [tex]\text{is nearer to }[/tex][tex]P_1 \& P_2[/tex] then [tex]q_2,q_1[/tex] [tex]\text{is positive, Thus}[/tex], [tex]E \limits^{\to}[/tex][tex]\text{ will be along the positive X-axis.}[/tex]

Recall that:

[tex]E ^{\to} = \dfrac{-dV}{dr}\implies E_y = \dfrac{-dV}{dy} \\ \\ = \int^{P_2}_{P_1}dV = -\int \limits ^{(0.05)}_{(0.04)}E_y \ dy \\ \\ \implies (V_{P_2}}-V_{(P_1)}) = \dfrac{-2q_5}{4 \pi \varepsilon _o} \int \limits ^{(0.05)}_{(0.04)} \dfrac{dy}{y^3} \\ \\ \implies (V_{P_2}}-V_{(P_1)}) = \dfrac{-2q_5}{4 \pi \varepsilon _o} \Big[ \dfrac{-1}{2y^2} \Big]^{0.05}_{0.04} \\ \\ \implies (V_{P_2}}-V_{(P_1)}) = \dfrac{q_5}{4 \pi \varepsilon _o} \Big[\dfrac{1}{y^2}\Big] ^{0.05}_{0.04}[/tex]

[tex]\\ \\ \implies (V_{P_2}}-V_{P_1}) = \dfrac{(4\times 10^{-9})(8\times 10^{-3})}{4 \pi (8.854 \times 10^{-12})} \Big [\dfrac{1}{(0.05)^2}-\dfrac{1}{(0.04)^2} \Big ]V \\ \\ (V_{P_2}}-V_{P_1}) = \mathbf{-64.71 \ volts}[/tex]

Answer:

Impulse is force multiplied by time; and together, the product must be 1 unit. A collision with soft ground will result in the 1 unit of impulse by a larger time and a smaller force (compared to the small time and a large force for the hard floor).

theanswer is b.heart disease

Answer:

Different and better?

Explanation:

i dont think that helps lol

An educated person has the ability to think clearly and independently and has good judgement.

Education is defined as purposeful activity directed towards achieving some objective, such as the dissemination of knowledge or the promotion of skills and character traits, whose aims include the development of understanding, rationality, kindness and honesty.

There are three main types of education which are as follows:

Formal, Informal and Non-formal.

The specialty of education is that it is pre-determined and pre-planned. It is regular and spatial i.e. time bound and regulated by the institutional. Proper education improves people's understanding of the world around them which make them less susceptible to the influence of others

Thus, an educated person has the ability to think clearly and independently and has good judgement.

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The best method to use in prevention of self-demagnetization of a permanent magnet is by use of a keeper. Keepers were also commonly known as amateurs. They help in storing magnets safely, especially those that have low coercivity ( magnets that are extremely susceptible to stray fields).

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Hope It Helps!

Answer:

The Sun transforms nuclear energy into heat and light energy.

Our bodies convert chemical energy in our food into mechanical energy for us to move.

An electric fan transforms electrical energy into kinetic energy.