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A proton is released from rest at the origin in a uniform electric field that is directed in the positive x direction with magni

Vika [28.1K]

Explanation:

It is given that,

Electric field, $E=950\ N/C$

We need to find the change in the electric potential energy of the proton-field system when the proton travels to x = 2.5 m

From the conservation of energy, the loss in potential energy is equal to the gain in kinetic energy and kinetic energy is is equal to the work done.

$W=F\times x$

$W=q\times E\times x$

$W=1.6\times 10^{-19}\times 950\times 2.5$

$W=3.8\times 10^{-16}\ J$

So, the change in electric potential energy of the proton field system is $3.8\times 10^{-16}\ J$ . Hence, this is the required solution.

4 0

3 years ago

Which of the following events may occur when IR radiation is absorbed?

Vilka [71]

Answer:

c. More intense IR absorption occur for those bonds having greater dipole moment changes with bond lengthening in a vibration.

Explanation:

When the molecules is exposed to the infrared radiation, the sample molecules absorb the radiation of wavelengths (specific to molecule) which causes change in the dipole moment of the sample molecules. The vibrational energy levels of the sample molecules consequently transfer from the ground state to the excited state.

Frequency of absorption peak is determined by vibrational energy gap.

Intensity of absorption peaks is related to change of dipole moment and possibility of transition of the energy levels.

Thus, by analyzing infrared spectrum,abundant structure information of the molecule can be known.

Hence, the correct answer to the question is

c. More intense IR absorption occur for those bonds having greater dipole moment changes with bond lengthening in a vibration.

3 0

3 years ago

How does the ocean play an important role in climate and climate change? Keep answer related to the specific heat capacity of wa

nata0808 [166]

One way that the world's ocean affects weather and climate is by playing an important role in keeping our planet warm. ... The ocean doesn't just store solar radiation; it also helps to distribute heat around the globe. When water molecules are heated, they exchange freely with the air in a process called evaporation.

3 0

3 years ago

An anchor with a density of 700 lb/ft3 tied to a rope is submerged in water (but is not touching the bottom). It has a volume of

Ivanshal [37]

Answer:

Explanation:

Given

Density of anchor $\rho _a=700\ lb/ft^3$

Volume of anchor $V=2.8\ ft^3$

Density of water $\rho _w=62.4\ lb\ft^3$

Buoyancy force on submerged object is given by

$F_B=\rho _W\times V\times g$

$F_B=62.4\times 2.8\times 32.2=5625.98\approx 5626\ approx lbf$

3 0

4 years ago

algunas fabricas de balones de futbol ubicadas en la costa inflan los balones que van a ser vendidos en ciudades como pasto,tunj

solmaris [256]

Answer:

Debido al cambio de volumen del gas dentro de la bola cuando se somete a una disminución de la presión y un aumento de la temperatura de la atmósfera.

Explanation:

La ubicación de las fábricas que fabrican las bolas que se encuentra en la costa como se indica en la pregunta es a baja altitud y una región más fría donde la presión atmosférica es más alta

Por lo tanto, la presión en la costa = p₁

La temperatura en la costa = T₁

El volumen de la pelota en la costa = V₁

Las condiciones en una ciudad con mayor altitud y temperatura tienen mayor presión atmosférica y temperatura de la siguiente manera;

La presión en la ciudad = p₂ <p₁

La temperatura en la ciudad = T₂> T₁

El volumen de la pelota en la costa = V₂

Por la ley de gas combinada de tenemos;

$\dfrac{p_1 \times V_1}{T_1} = \dfrac{p_2 \times V_2}{T_2}$

Allí el volumen de la pelota en la ciudad estará dado por la relación;

$V_2 = V_1 \times \dfrac{p_1 }{P_2} \times \dfrac{ T_2}{T_1 }$

Dado que p₁> p₂ y T₂> T₁, entonces p₁/p₂> 1 y T₂/T₁> 1 y tenemos;

V₂ = V₁ × p₁/p₂ × T₂/T₁ = V₁ × X, donde X = p₁/p₂ × T₂/T₁> 1

V₂ = V₁ × X (> 1)

Por lo tanto, V₂> V₁ y el volumen ocupado por el gas aumenta cuando la pelota llega a la ciudad y la pelota está más firme.

7 0

3 years ago