Answer:
Explanation:
F = qE
F is the force in Newtons
q is the test charge
E is the electrical field produced by the source charge
[tex]5=q(50)\\q=1*10^-^1Coulombs[/tex]
The magnitude of charge on the object is of 0.1 C.
Given Data:
The magnitude of electric field is, E = 50 N/C.
The magnitude of Electric force is, F = 5 N.
The region where any particle feels the effect of electric force on itself, due to other charged entities, is known as Electric field. And the relation between the electric force and electric field is given as,
F = E × q
Here,
q is the magnitude of charge on the object.
Solving as,
q = F/E
q = 5 / 50
q = 0.1 C
Thus, we can conclude that the magnitude of charge on the object is of 0.1 C.
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A train travels 100 km east and then 75 km west. What is the magnitude of
its displacement?
Answer:
displacement = 100 - 75 = 25 km east
Write down the use of light pipe.???
How do you find mass in physics
Which part of the drum (Instrument)vibrates when it produces sound?
Answer:
Striking the head of the drum changes its shape and compresses the air inside the shell. the compressed air presses on the bottom head and changes its shape. then these changes are transmitted to the drum shell and reflected back and this action is repeated created a vibration.
Explanation:
Hope this helped Mark BRAINLEST!!!
The velocity of a car increases from 10 km/h to 50 km/h in 5 seconds. What is its acceleration?
Answer:
2.22m/s^2
Explanation:
9. In a closed circuit made of a battery, a wire, a lightbulb, and a switch which part's main responsibility is allowing electricity to flow over a distance?
A: battery
B: light bulb
C: switch
D: wire
Answer:
d
Explanation:
Answer:
D: wire
Explanation:
Can someone help me with these questions pls
What is the density of an object that has a mass of 54g and a volume of 9 mL
Answer:
idc
Explanation:
idc
I AM TIMED !! 30 POINTS Which is the smallest possible particle of an element?
O molecule
O atom
O compound
O matter
Answer:
atoms
Explanation:
they are the smallest
A fault is formed by the movement of a ___ plate boundary
A.convergent
B.traditional
C.divergent
D.transform
PLEASE HELPPPPP!!!!!!!!!
Please kind sir/lady help me with my home work UvU
yes
Explanation:
the endorsment is successful because Jordan shoe is a imported brand
What is the net force on a refrigerator that you push with an applied force of 125 N to the right and the (sliding) friction between the floor and the fridge is 95 N to the left? (b) As you increase the force applied to the fridge, will the friction force also increase? Explain. Hint: remember the force of friction between solid surfaces does not depend on speed
Answer:
hola
Explanation:
jffkbjkcvncncjcncjcjchchchcjcjcjcjcjckgmndjekbm hdfstfm mvndbfncn bdhwhgmvmch
A sledgehammer is an example of what kind of simple machine?
A. Wheel and axle
o
B. Screw
c
C. Wedge
D. Lever
SUS
I am 95 percent sure the answer in C
Answer: C
Explanation:
PLEASE HELP!! 25 POINTS!! WILL MARK BRAINLIEST!!
The focus of a parabola is (−6,−3) . The directrix of the parabola is y=4. What is the equation of the parabola?
The focus of a parabola is (0,−4). The directrix of the parabola is the line y=−5. What is the equation of the parabola?
The directrix of a parabola is the line y=7. The focus of the parabola is (2,3). What is the equation of the parabola?
The directrix of a parabola is y=−6. The focus of the parabola is (−2,−4) . What is the equation of the parabola?
The standard equations of the parabolas are listed below:
y + 6 = - (1/14) · (x + 6)² y = (1/2) · (x + 4.5)² y - 5 = - (1/8) · (x - 2)² y + 5 = (1/4) · (x + 2)²How to determine the standard equation of the parabolaIn this question we have four case of parabolas with vertical axes of reference, whose standard formula is:
[tex]y - k = \frac{1}{4\cdot p}\cdot (x-h)^{2}[/tex] (1)
Where:
(h, k) - The vertex of the parabola.p - Least distance between the vertex and the focus of the parabola.Please notice that p < 0 when the directrix is above the focus, otherwise p < 0. The vertex is the midpoint of line segment between the directrix and the focus.
Now we proceed to derive the standard equations of the parabola:
1) Vertex:
(h, k) = 0.5 · (- 6, 4) + 0.5 · (- 6, - 3)
(h, k) = (- 6, 0.5)
Least distance:
p = - 3.5
y + 6 = - (1/14) · (x + 6)²
2) Vertex:
(h, k) = 0.5 · (0, - 4) + 0.5 · (0, - 5)
(h, k) = (0, - 4.5)
Least distance:
p = 0.5
y = (1/2) · (x + 4.5)²
3) Vertex:
(h, k) = 0.5 · (2, 3) + 0.5 · (2, 7)
(h, k) = (2, 5)
Least distance:
p = 2
y - 5 = - (1/8) · (x - 2)²
4) Vertex:
(h, k) = 0.5 · (- 2, - 6) + 0.5 · (- 2, - 4)
(h, k) = (- 2, - 5)
Least distance:
p = 1
y + 5 = (1/4) · (x + 2)²
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Big sound is heard in bathroom than in a living room
Answer
That doesn't make any sense.
Explanation:
define principle of lever
Answer:
pull to activate something
Explanation:
TRUE OR FALSE
1. TRUE OR FALSE: The higher the frequency, the closer the waves are together and the LOWER the energy carried by the waves will be.
2. TRUE OR FALSE: The greater the force that produces a wave, the greater the amplitude of the wave and the greater the energy carried by the wave.
3. TRUE OR FALSE: In a transverse wave the higher the wave, the LOWER the amplitude
4. Wavelength is a measure of the distance from the crest on one wave to the crest on the very next wave.
5. TRUE OR FALSE: Speed is a measure of the distance a wave travels in an amount of time
6. TRUE OR FALSE: As a wave enters a different medium, the wave’s speed changes. Waves travel at different speeds in different media
7. TRUE OR FALSE: The highest point of a transverse wave is the crest and the lowest point is called a trough.
Answer:
Explanation:
true true fauls true fauls fauls
1 . The higher the frequency, the closer the waves are together and the LOWER the energy carried by the waves will be. FALSE
2. The greater the force that produces a wave, the greater the amplitude of the wave and the greater the energy carried by the wave. TRUE
3. In a transverse wave the higher the wave, the LOWER the amplitude FALSE
4.Wavelength is a measure of the distance from the crest on one wave to the crest on the very next wave, TRUE
5. Speed is a measure of the distance a wave travels in an amount of time TRUE
6. As a wave enters a different medium, the wave’s speed changes. Waves travel at different speeds in different media TRUE
7. The highest point of a transverse wave is the crest and the lowest point is called a trough. TRUE
What is Wave ?A wave is a disturbance in a medium that carries energy and as well as momentum. Energy can be transferred in the form of wave in the medium. there are two types of wave,
longitudinal wave : in which, vibration of the medium (particle) is parallel to propagation of the wave as shown in the fig.1. Sound wave is a longitudinal wave.
Transverse wave : in which, vibration of the medium (particle) is perpendicular to propagation of the wave as shown in the fig.2. Light wave is a longitudinal wave.
1. E = hυ where υ is a frequency which shows direct relation between Energy E and frequency υ. Hence it is false.
2. True
3. In a transverse wave the higher the crest in the wave, the higher the amplitude. FALSE
4. True
5. True, Speed = Distance÷Time
6. due to change in refractive index, velocity changes TRUE
7.True
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is solar system a natural system or human-made system
Answer:
Natural
Explanation:
Answer:
It's a Natural System
Explanation:
When the Solar System was formed Human didn't even exist. the planets clashed and a lot of changes happened to create earth and different planets.
What is 1.2 x 10^5 in standard form?
The standard form of the given exponential function is 120000.
By putting the number as a base and the number of repetitions as a little number to its upper right, a representation of repeated multiplications of the same number is known as an exponential form.
It is simpler to write repeated multiplication using base and exponents in the exponential form.
The equation f(x) = aˣ, in which the input variable x appears as an exponent and a as the base, describes an exponential function.
So, the given exponential function is,
1.2 x 10⁵
Here, 10 is the base and 5 is the exponent.
10⁵ = 100000
Therefore, the standard form of the given equation is,
1.2 x 100000 = 120000
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+
1. Energy due to motion is
_______ energy
Answer:
Kinetic energy
Explanation:
The energy associated with an object's motion is called kinetic energy. A speeding bullet, a walking person, and electromagnetic radiation like light all have kinetic energy.
Kinetic energy. For example, a walking person.
Why is it important for body cell to have twice and many chromosomes as sex cells?
Answer:
Why sex cells only need half the number of chromosomes compared to other cells in the body? As gametes are produced, the number of chromosomes must be reduced by half. Why? The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells.
Explanation:
Brainliest Plzz
Answer:
During Mitosis, the chromosomes split at G2 Phase.
circle the best answer on the line provided.
i. If an object starts to accelerate,
a. a balanced force is acting on it
b. gravity is acting on it
c. velocity is acting on it
d. an unbalanced force is acting on it
Plsss asap ill mark branliest
I only have 3 minutes left this is my last question
5.0 kg, with a bullet of mass 0.1 kg. The target was mounted on
low-friction wheels and as the bullet struck the target, the target with
bullet embedded bullet sped off with a velocity of 6.0 ms.
Calculate the velocity of the bullet just before it hit the stationary
target.
Answer:
306 m/s
Explanation:
Law of conservation of momentum
m1v1 + m2v2 = (m1+m2)vf
m1 is the bullet's mass so it is 0.1 kg
v1 is what we're trying to solve
m2 is the target's mass so it is 5.0 kg
v2 is the targets velocity, and since it was stationary, its velocity is zero
vf is the velocity after the target is struck by the bullet, so it is 6.0 m/s
plugging in, we get
(0.1 kg)(v1) + (5.0 kg)(0 m/s) = (0.1 kg + 5.0 kg)(6.0 m/s)
(0.1)(v1) + 0 = 30.6
(0.1)(v1) = 30.6
v1 = 306 m/s
The initial velocity of the bullet can be determined from the total momentum of the system. The velocity of the bullet was 306 m/s.
What is momentum ?Momentum of a body is the product of its mass and velocity. For a collision, the momentum before and after collision will be the same for the colliding system.
Let m1 and m2 be the masses and u be the initial velocity and v is the final velocity.
then, m1 u1 + m2 u2 = m1 v1 + m2 v2.
Given m1 = 5 kg
m2 = 0.1 kg
The velocity of the combined mass v = 6 m/s.
The momentum of the target is zero since it was stationary.
(0.1 × u1) = (0.1 + 5)6 m/s
(0.1 × u1) = 30.6 m/s
then u1 = 30.6/0.1 = 306 m/s
Therefore, the velocity of the bullet before hitting was 306 m/s.
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May you please help me?
Answer:
The first one is 9 times the original
The second one is 1/2 times
The third one is 1/3 times
How would you describe your appetite over the past couple of weeks? Have your eating habits altered in any way?
Answer:
no im in a rehab program so we eat the sam shi every day
Explanation:
brainlest?
Explanation:
During lockdown, I ate LOADS OF JUNK FOOD. TRUST ME!!
I gained 14 kg of weight and became 68 kg
just due to junk food.I am 13 btw and at that time I was 5 feet 4 so definitely fat. all those pizzas and burgers and all.then I realised that I have gained weight. I have to REDUCE MY WEIGHT. I am quite determined on what I say. it took me 3 months or so and I finally got back to my original weight. How? just by going for a stroll everyday, eating healthy and constantly working out. eating less is not the solution,eating less calories is the solution.Also, by eating healthy food,I grew taller. I am 5 feet 6 now. So yes, definitely it helps put alot and keep eating healthy food and you will definitely be healthy.
Thank You.
An impulse of 12.2kg m/s is delivered to an object whose initial momentum is 4.5kgm/s. What is the object's final momentum?
Answer:
Object's final momentum = 16.7 kg-m/s
Explanation:
Given that,
Impulse, J = 12.2 kg-m/s
Initial momentum, [tex]P_i=4.5\ kg-m/s[/tex]
We need to find the object's final momentum. We know that the impulse is equal to the change in momentum. So,
Impulse = change in momentum
[tex]J=P_f-P_i\\\\P_f=J+P_i\\\\P_f=12.2+4.5\\\\P_f=16.7\ kg-m/s[/tex]
So, the object's final momentum is 16.7 kg-m/s.
Given:
Impulse, [tex]J = 12.2 kg-m/s[/tex]Initial momentum, [tex]P_i = 4.5 \ kg-m/s[/tex]We know the relation,
→ [tex]Impulse = Change \ in \ momentum[/tex]
or,
→ [tex]J = P_f-P_i[/tex]
then,
→ [tex]P_f = J+P_i[/tex]
By substituting the values,
[tex]= 12.2+4.5[/tex]
[tex]= 16.7 \ kg-m/s[/tex]
Thus the above answer is right.
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The illustration shows the forces in Newtons (N) acting on three different blocks. Which
boxes will move under these conditions?
Answer:a
Explanation:because I know
Answer:
B & C
Explanation:
the first block will not move
Someone plz help I’m on a time limit :(
What patterns occur in the Earth-Sun-Moon system that allow us to identify the cause of
eclipses?
Answer:
Earth's rotation and orbit and the Moon's orbit cause observable patterns (Day and night, seasons, phases of the Moon, tides).
