Answer:
The electric force on an electron in this field [tex]3.2\times 10^{-15}\ N[/tex].
Explanation:
We have,
Electric field of along the +x-axis is [tex]2\times 10^4\ N/C[/tex]
It is required to find the electric force on an electron in this field. The electric force acting on the particle is given by :
[tex]F=qE[/tex]
q is charge of electron
[tex]q=-1.6\times 10^{-19}\ C[/tex]
So,
[tex]F=1.6\times 10^{-19}\times 2\times 10^4\\\\F=3.2\times 10^{-15}[/tex]
So, the electric force on an electron in this field [tex]3.2\times 10^{-15}\ N[/tex].
The electric force on an electron throughout this field will be "3.2 × 10⁻¹⁵ N".
Electric field:An electric field throughout a force created by a charge throughout proximity to its circumstances. Whenever additional charges come into contact with this field, they are subjected to this force.
A charge's electric field at quite a point seems to be the force that somehow a unit positive (+) charge will indeed personal experience if put at around that spot.
According to the question,
Electric field = 2 × 10⁴ N/C
Charge of electron, q = -1.6 × 10⁻¹⁹ C
We know the relation,
→ F = qE
By substituting the values, we get
= [tex]1.6\times 10^{-19}\times 2\times 10^4[/tex]
= [tex]3.2\times 10^{-15}[/tex] N
Thus the above answer is correct.
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Which of the following statements is true of both infrared radiation and ultraviolet radiation traveling in a vacuum?
A. They have the same energy
B. They have the same frequency
C. They travel at the same speed
D. They have the same wavelength
Answer:
b
Explanation:
Momentum is a vector quantity because it includes velocity, which is also a
vector quantity.
A. True
B. False
please:(
Answer: A; True
Explanation: Momentum is known to be a vector quality, and thus has been proven by modern scientists and resulting in this answer being true.
Hope this helps <3
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Which drum would make a sound that fades away faster - one that makes a loud sound or one that makes a more mellow sound Why?
Answer: one that makes a more mellow sound
Explanation:
One that makes a more mellow sound will have a constant frequency than the one that has a loud sound.
Fading away of sound waves depends on the wavelength of the sound. The one that has a loud sound with high frequency will have a brighter sound. While the more mellow one will have the bassier sound. Therefore, the sound with a more mellow sound will fade away faster.
What is the matter of glass
Answer:
Glass is solid.
Explanation:
It is not a liquid or gas.
Answer:
An amorphous solid
Explanation:
since glass is hard it's be a supercooled liquid but it's actually neither a liquid or a solid. It's called an amorphous solid, which is a state somewhere between those two states of matter.
A negative test charge experiences a force to the right as a result of an electric field. Which is the best conclusion to draw
based on this description?
3
The electric field points to the left because the force on a negative charge is opposite to the direction of the field.
The electric field points to the right because the force on a negative charge is in the same direction as the field.
No conclusion can be drawn because the sign of the charge creating the field is unknown.
No conclusion can be drawn because the amount of charge on the test charge is unknown.
Answer:
The correct option is (a).
Explanation:
We have, a negative test charge experiences a force to the right as a result of an electric field. The electric force acting on a charged particle is given by :
F = qE
q is charged particle, E is electric field
The direction of electric force is in the direction of electric field. For a negative charge, the electric field points to the left because the force on a negative charge is opposite to the direction of the field.
what are similiarities between young modulus bulk modulus and shear modulus
Which statement explains how convection currents affect the movement of plates?
Answer:Heat from Earth’s interior causes currents of hot rising magma and cooler sinking magma to flow, moving the crust along with them.
Explanation:
Answer:
Heat from Earth’s interior causes currents of hot rising magma and cooler sinking magma to flow, moving the crust along with them.
Explanation:
Brainliest for whoever gets this right!
Describe how an earth wire and a fuse can protect an iPad with a metal casing
- 5 clear simple points
Answer: Find the answer in the explanation.
Explanation:
The earth wire act as a protective conductor in which hazardous current flows to the earth. Whenever there is a faulty flow of current, the earth wire will protect an iPad with a metal casing from eddy current by allowing the faulty current to flow directly to the earth.
With the use of fuse, an iPad with a metal casing will be protected from extreme heat due to overheating or electrical overloading as a result of short circuit.
Find the frequency of a wave of wavelength 2.5m and speed 400 m/s
Answer:
The frequency of wave is 160Hz.
Explanation:
Given that the formula of speed is V = f×λ where V represents speed, f is frequency and λ is wavelength.
So first thing, you have to make frequency the subject by dividing wavelength on both sides :
[tex]v = f \times λ \: [/tex]
[tex]v \div λ = f \times λ \div λ[/tex]
[tex]f = \frac{v}{λ} [/tex]
Next you have to substitute the value of v and f into the formula :
Let λ = 2.5m,
Let v = 400m/s,
[tex]f = \frac{400}{2.5} [/tex]
[tex]f = 160Hz[/tex]
Two students who live on planet X. They want to estimate the circumference. The two students synchronize their watches before one student leaves on vacation 600 miles due west to their home. They notice a 3 degree difference in altitude of the sun at local noon. What is the circumference of the planet?
Answer:
72000 miles
Explanation:
If the distance between the students is 600 miles, and this implies in a 3 degree difference in the sun position, that means this 600 miles is related to 3 degrees of the circunference of the planet.
So, to find the whole circunference of the planet, that is, 360 degrees, we just need to use a rule of three:
3 degrees -> 600 miles
360 degrees -> x miles
3x = 600 * 360
x = 600 * 360 / 3 = 72000 miles
Which of the following processes occurs in the cells of plants?
C.production of food through photosynthesis
B. removal of wastes
A. exchange of CO2 and O2
(pick all that apply)
Answer:
A., B. & C.
Explanation:
All apply, because all these happen in a plant.
The following processes that occur in the cells of plants:
C. production of food through photosynthesis
B. removal of wastes
A. exchange of CO2 and O2
Photosynthesis is a process by which green plants prepare their food by using carbon dioxide and water as reactant in the presence of sunlight to produce carbohydrate. The photosynthesis occurs in the cells of the leaves in plants. The removal of wastes in plants takes place by the stomatal pores present on the surface of leaves and by the lenticels present on the surface of stem. They allow the removal of excess water, and gaseous pollutant like carbon dioxide during respiration. Exchange of gases like carbon dioxide and oxygen occurs through respiration and photosynthesis. During respiration carbon dioxide is expelled out from the plant cells via stomata and oxygen is taken inside whereas the photosynthesis occurs during day time and fixes the atmospheric carbon dioxide and release the oxygen to the atmosphere as byproduct of photosynthesis.Learn more about photosynthesis:
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Two small spheres with charges of 2.5 nC and the other 5.1 nC are sparated by a distance of 1.1 m. What is the electric potential between the two spheres?
Answer:
hy how are you now this is 2020 question but now it is 2022
A girl lifts a 160-N load to a height of 1 min 0.5 s. How much power is used to lift the load?
A. 320 W
B. 80 W
C. 32 w
D. 160 W
Answer: 320 W
Explanation:
P = W/t
W = F * d
F = 160 N
d = 1 m
t = 0.5 s
W = 160 * 1
W = 160 J
P = 160 J / 0.5 s
P = 320 W
As an ice cube melts, its molecules
A. absorb heat energy and move farther apart
B. absorb heat energy and move closer together
C. release heat energy and move farther apart
D. release heat energy and move closer together
Answer:
A. absorb heat energy and move farther apart
Explanation:
The answer is A since when a ice cube takes in heat, it changes form and melts down to a liquid : water.
The molecules in water are farther apart since they are moving around alot but can be contained in a container.
A -0.00325 C charge q1 is placed 5.62 m from a second charge q2. The first charge is repelled with a 48900 N force. What is the value of q2? C
Include the sign of the charge, - or +
Answer: q2 = -0.05286
Explanation:
Given that
Charge q1 = - 0.00325C
Electric force F = 48900N
The electric field strength experienced by the charge will be force per unit charge. That is
E = F/q
Substitute F and q into the formula
E = 48900/0.00325
E = 15046153.85 N/C
The value of the repelled second charge will be achieved by using the formula
E = kq/d^2
Where the value of constant
k = 8.99×10^9Nm^2/C^2
d = 5.62m
Substitutes E, d and k into the formula
15046153.85 = 8.99×10^9q/5.62^2
15046153.85 = 284634186.5q
Make q the subject of formula
q2 = 15046153.85/ 28463416.5
q2 = 0.05286
Since they repelled each other, q2 will be negative. Therefore,
q2 = -0.05286
Answer:
-0.05286
Explanation:
acellus
what is the frequency of a ocean wave that is traveling at a speed of 45 m/s if it has a wavelength of 3 meters? please show work
Answer: Frequency = 15Hz
Explanation:
Given that
Wavelength (λ) = 3 m
Wave speed V = 45 m/s
Wave speed is the product of frequency and wavelength. That is
V = f(λ)
Substitute wavelength and wave speed into the formula
45 = f × 3
Make f the subject of the formula
f = 45/3
f = 15 Hz
Therefore, the frequency of the ocean wave is 15 Hz
Three resistors, of 100, 200, and 300 ohms are connected in parallel. What is their equivalent resistance?
(Unit = ohms)
Answer:
Equivalent resistanfe in parallel (R):
1/R = 1/100 + 1/200 + 1/300
1/R = (6 + 3 + 2)/600
1/R = 11/600
R = 600/11 = 54.55 ohms
Equivalent resistance is 54.55Ω.
It is given that three resistors are,
[tex]R_{1}[/tex] = 100Ω, [tex]R_{2}[/tex] = 200Ω, and [tex]R_{3}[/tex] =300Ω
It is required to find the equivalent resistance when resistors connected in parallel.
What is the equivalent resistance?
As we know, when the resistors are connected in parallel,
[tex]\frac{1}{R} =\frac{1}{R_{1} } +\frac{1}{R_{2} }+\frac{1}{R_{3} }[/tex]
Putting the values, we have
[tex]\frac{1}{R} =\frac{1}{100} } +\frac{1}{200 }+\frac{1}{300 }[/tex]
[tex]\frac{1}{R} =\frac{(6+3+2)}{600}[/tex]
[tex]\frac{1}{R} =\frac{11}{600}[/tex]
[tex]R=\frac{600}{11}[/tex]
R=54.55Ω
Thus, equivalent resistance or total resistance when resistance are connected in parallel is 54.55Ω.
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7) A boy is flying to kites at the same time,
He has 380 feet of line out to one kite and
420 ft. to the other. He estimates the angle
between them to be 30 degrees.
Approximate the distance between the
kites.
Answer:
hope this helps :)
Explanation:
The reason we can read print from any direction is that
A. letters emit black light in all directions
B. letters absorb black light from all directions
C. the white part of a page reflects light in all directions
D. All of the above
E. None of the above
The answer is B and C are both true.
The reason we can read print from any direction is that the white part of a page reflects light in all directions. Hence, option C is correct.
What is reflection?Reflection is an optical phenomenon, that the light when hit on a transparent object reverts back in the straight direction making the material surface gleaming.
White light is the mixture of all the visible lights. White material absorbs all colors and all of them are reflected back making its color white. Whereas, black light is not reflecting any color but absorbs all. Thus, no reflection causes no color except the darkness.
Letters in white background is visible in all direction since white light reflects in all directions. Thus, black letters printed in in a white page will be readable in all directions.
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What is a cation?
Please help me answer this question
Answer:
A positively charged ion
Answer:
Ion
Explanation:
An ion with a positive charge that is attracted to the cathode in electrolysis