Answer:
d. remains same
Explanation:
Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.
Mathematically, it is given by the formula;
Force = mass * acceleration
[tex] Acceleration = \frac {Force}{mass} [/tex]
If both the mass of the body and the force acting on it are doubled, then acceleration remains the same.
Given the following data;
Mass = 2Mass
Force = 2Force
Substituting into the formula, we have;
[tex] Acceleration = \frac {2Force}{2Mass} [/tex]
[tex] Acceleration = \frac {Force}{Mass} [/tex]
write the word equation for the breaking down of the hydrogenperoxide
Two charged particles, with charges q1 = q and q2 = 4q are located at a distance d = 2cm apart on the x axis A third charged particle, with charge q3 = q is placed on the x axis such that the magnitude of the force that charge 1 exerts on charge 3 is equal to the force that charge 2 exerts on charge 3. Find the position of charge 3 when q = 10n C
Answer:
0.667 cm
Explanation:
|F_1on3| = |F_2on3|
k×q1×q3/x^2 = k×q2×q3/(d-x)^2
q1/x^2 = q2/(d-x)^2
(d-x)^2/x^2 = q2/q1
(d-x)/x = sqrt(q2/q1)
(2 - x)/x = sqrt(4×q/q)
(2 - x)/x = 2
2 - x = 2x
2 = 3x
x = 2/3
x= 0.667 cm
Suppose the equation of the velocity of a car at any given time is Vx= 30m/s+(2.5m/s^3)t^2 Find the change in the velocity of the car during time t1= 4s and t2= 5.5s (a) 70.00 m/s (b) 105.63 m/s (c) 35.63 m/s (d) 175.63 m/s
Answer:
time=4, answer choice A
time=5.5, answer choice B
Explanation:
This is taken from the kinematic equation, v=vo+(1/2)at^2
Velocity at time 4 = 30+(2.5)(4)^2
Velocity at time 5.5 = 30+(2.5)(5.5)^2
Velocity at time 4 seconds = 70 m/s
Velocity at time 5.5 seconds = 105.63 m/s
Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with an initial speed of 15.0 m/s. The point of release is h = 46.0 m above the ground.
(a) How long does it take for the ball to hit the ground?
(b) Find the ball's speed at impact.
(c) Find the horizontal range of the ball.
Answer:
B
Explanation:
Which of the following is NOT a natural source of light?
neon light
lightening
stars
fire
plssssssssss help i put 30 points pls answer correctly
it is scince
Answer:
neon light
all the others are natural phenomenon
how to the eath turn
Explanation:
Earth rotates in prograde mation.As viewed from the north pole star Polaris.Earth turns counterclockwise,, the north pole is point in the northern,, Hemisphere where Earth's Axis of rotation meets it's surface
it turn from west to est
A dart in a toy dart gun is pressed 4 cm against a spring. if it has 1.5 J of stored potential energy what is the spring constant?
In the absence of air resistance, the path of a projectile is a(n)
A. Parabola.
B. Arc
C. Polygon
D. Semicircle
Answer:
d
Explanation:
find the instantaneous velocity at 1 s . can anyone help with c-h!!!
The Stronger the force that is exerted on an object,the ____ the change in velocity will be.
A greater
B lesser
C weaker
D stronger
Answer:
answer is stronger the change in velocity
You can use the curved part of a spoon as a mirror because it ________ light.
Which best completes the statement?
reflects
refracts
absorbs
enhances
Answer:
Reflects
Explanation:
A metal spoon looks very shiny because its surface is very smooth, which is why it acts like a mirror and reflects light very well.
You can use the curved part of the spoon as a mirror because it reflects light. Thus, the correct option is A.
What is reflection of light?Reflection is the phenomena of light, when the ray of light bounces off an object. If the surface is smooth and shiny, just like a glass, water or polished metal surface, the light will reflect at the same angle as it hit the surface of the object. This is called as specular reflection.
The laws of reflection states that the incident ray, the reflected ray, and the normal ray all lie at the same point of incidence, and lie in the same plane of the surface. And, the angle of incidence is equal to the angle of reflection of light.
Therefore, the correct option is A.
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PLEASE HELP 45 POINTS!!!! BRAINLIST IF YOU GIVE GOOD REAL ANSWER!!!
Answer:
what is the question?
Explanation:
Define normal force in words
Answer:
The normal force is the force that surfaces exert to prevent solid objects from passing through each other. If the object is at rest, the net force on the object is equal to zero. Therefore, the downward force (weight) must be equal to the upward force (normal force).
A wave traveling at 5.00x10^4 meters per second has a wavelength of 2.50x10^1 meters what is the frequency of the wave
Answer:
Frequency of the wave = 2 x 10³ hz
Explanation:
Given:
Velocity of wave = 5 x 10⁴
Wavelength = 2.5 x 10¹
Find:
Frequency of the wave
Computation:
Frequency of the wave = Velocity of wave / Wavelength
Frequency of the wave = [5 x 10⁴] / [2.5 x 10¹]
Frequency of the wave = 2 x 10³ hz
The frequency of a wave traveling at 5.00 x 10⁴ meters per second and a wavelength of 2.50x10¹ meters is 2 × 10³ Hz
HOW TO CALCULATE FREQUENCY:
The frequency of wave can be calculated by dividing the speed of the wave by its wavelength.λ = v/f
Where,
V= velocity of the wavef = frequencyλ = wavelengthAccording to this question, a wave is traveling at 5.00 x 10⁴ m/s and has a wavelength of 2.50 x 10¹ meters. The frequency can be calculated as follows:f = v ÷ λf = 5 × 10⁴ ÷ 2.5 × 10¹f = 2 × 10³HzTherefore, the frequency of a wave traveling at 5.00 x 10⁴ meters per second and a wavelength of 2.50x10¹ meters is 2 × 10³Hz.Learn more at: https://brainly.com/question/19601903?referrer=searchResults
Which of the following statements concerning moral development is not true?
Please select the best answer from the choices provided
O Children generally become better at telling the difference between moral and conventional transgressions
as they age.
Children commonly use internal standards to reason about behavior at an early age
C What is determined as right or wrong is universally defined and agreed upon.
Parental views on what is right and wrong greatly influence children's moral reasoning.
Mark this and retuth
Answer:
C- what is determined as right or wrong is universally defined and agreed upon.
Explanation:
Correct on edge
Answer:
C. What is determined as right or wrong is universally defined and agreed upon.
Explanation:
Edg. 2021
All other options are true statements while this one is not.
Classify the following as a type of kinetic or potential energy. Check the
appropriate box.
Help please..
Answer:
Kinetic and potential
potential (didnt say its moving)
Kinetic and potential
kinetic
kinetic
kinetic
potential
kinetic and potential
kinetic (might have potential)
kinetic
HELPPP BESTIESSS An astronomer is studying two stars that have about the same size and brightness. From the Earth, one of the stars appears very bright in the night sky. The other star appears very faint and dim.
Why does one star appear to be brighter than the other?
A. The Earth is moving toward the brighter star.
B. The Earth is moving toward the dimmer star.
C. The Earth is farther from the brighter star.
D. The Earth is closer to the brighter star.
Answer:
If the stars are about the same size and brightness then the earth must be nearer to the stat that appears brighter, The stars movement, nearer or farther, would only effect the frequency received (redshift).
Answer:
D- The earth is closer to the bright star
Explanation:
If two stars have SAME brightness and size then that means the only point of difference is distance . Earth should be closer to the brighter star for the star to be bright.
I hope im right!!
A 12.0kg object is pushed with a horizontal force of 6.0N East across a table. If the force of
friction is 2.0N, what is the acceleration of the object?
Answer:
0.33m/[tex]s^{2}[/tex] East.
Hope this helps you. Do mark me as brainliest.
12. A diagram of the Earth revolving around the sun shows that less direct sunlight is reaching the Northern Hemisphere than the Southern Hemisphere. What season is it in the Northern Hemisphere? (1 point)
A. winter
B. spring
C. summer
D. autumn
it depends it can be either spring or winter
of 72.0 units. If the mass of Object 1 is halved AND the mass of object 2 is tripled, then the new gravitational force will be units.
Answer:
youtg jugre contact coming call details
How are igneous rocks formed?
They are formed from cooled magma.
They are hot magma the moment it is expelled from a volcano.
They are formed over many years of pressure and heat within Earth.
They are formed from sediments that collected in ocean beds.
Answer:
What are igneous rocks?
Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface. Igneous rocks are divided into two groups, intrusive or extrusive, depending upon where the molten rock solidifies
A wire has resistivity of 0.12 homes per metre.
a)Find the resistance of 25m of wire.
b)Find the length of this wire that has resistance 22ohms
Answer:
(a) The resistance of 25m of wire is 3 ohms
(b) the length of this wire that has resistance 22 ohms is 183.33 m
Explanation:
Given;
resistivity of the wire, ρ = 0.12 ohms per meter
(a) The resistance of 25m of wire is calculated as follows;
[tex]R = \rho L\\\\R = 0.12 \ \frac{ohms}{m} \times 25\ m\\\\R = 3 \ ohms[/tex]
(b) the length of this wire that has resistance 22 ohms is calculated as;
[tex]L = \frac{R}{\rho} \\\\L = \frac{22 \ ohms }{0.12 \ ohms/m} = 183.33 \ m[/tex]
The word “virtual” refers to something that exists in effect but not in actual fact. How does this definition relate to the virtual image you see of yourself in a plane mirror?
Answer:
The image seems to be behind the mirror, but nothing is really there.
Explanation:
Sample response edge 2021
Light travels through air faster than it travels through water. How would
the light refract differently if the keys were in air, and the boy was looking
at them from underwater?
Answer:
The fastest thing in the whole universe is the speed of light in a vacuum (like outer space!), clocking in at a great 2.99 x 108 m/s. Light travels in waves, and we call this traveling propagation. Propagation of waves has both a speed and a direction, called the velocity. The velocity of light changes depends on the material it travels through.
I hope it is helpful. Please mark as brilliant
HELPPPP
PSYW - Please Show Your Work
A body of mass 0.150 kg has its temperature increased by 5.00°C when 385 J of energy
is provided to it.
Calculate the body's specific heat.
Can anyone answer this please?
These steps are followed when using the half-life of carbon-14 to determine the age of an object that contains carbon. what is the correct order of these steps
Answer:
the answer is b
Explanation:
a p e x
The correct order of these steps is according to option B i.e. C, A, B
What is half life?Half life is the time taken by a radioactive material for the radioactivity of to reduce by half its original value.
The half life equation is:
A = A₀ (½)^(t / T)
where A is the final amount, A₀ is the initial amount, t is the amount of time, and T is the half life.
These steps are followed when using the half-life of carbon-14 to determine the age of an object that contains carbon.
The correct steps are -
Measure the ratio of parent and daughter nucleiUse the half life of carbon-14 to determine the number of half lives that have passed.Use the number of half lives passed to determining the age of the object.Thus, the correct option is B i.e. C, A, B
Learn more about half life.
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one way we can care for our ear
keep your ear clean....
Good luck on your assignment and enjoy your day!
the resistance of an object to change its dynamic state called
what is the frequency of a wave that had a wavelength of 15m and is traveling at 135 m/s