Answer:
I think the law of inertia
HERES THE ANSWER AND QUESTION
Check all that are solutions of the inequality.
-1.2
0
-1.4
Negative 1 and one-third
-1.25
-1
THE ANSWER IS A,B,F
Answer:
agree
Explanation:
Answer:
THE ANSWER IS A,B,F
Explanation:
A car is driving along a road at a speed of 50 km/hr. How far will the car travel in 5 hours?
Answer:
I think it's 250
Explanation:
If the car is traveling 50 km/hr that means every hour, the car drives 50 km. So if you want to know how far it will go in 5 hours you do 50x5.
Ana walks from 4 m to 200 cm. Which of the following statements is true about
her motion? Explain
distance = 2 hm
distance = 20 cm
distance = 2 cm
distance = 2.0 m
at what distance from a 2.45*10^-6 C charge will the electric field be 100 N/C?
Answer:14.8
Explanation:
Trust me
The distance will be = 14.85 m
What is electric field ?A region around a charged particle or object within which a force would be exerted on other charged particles or objects.
given :
Charge (q)= 2.45*[tex]10^{-6}[/tex] C
Electric field (EF) = 100 N/C
to find = ? distance (r)
Electric field = 1/4π∈o * (q/[tex]r^{2}[/tex])
100 = 9 * [tex]10^{9}[/tex] * ( 2.45*[tex]10^{-6}[/tex] / [tex]r^{2}[/tex])
[tex]r^{2}[/tex] = 220.5
r= [tex]\sqrt{220.5}[/tex]
r = 14.85 m
The distance will be = 14.85 m
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A marble is thrown horizontally with a speed of 15.0 m/s from the top of a building. When it strikes the ground, the marble has a velocity that makes an angle of 65.0° with the horizontal. From what height above the ground the marble was thrown. How far from the base of the building, did the marble land?
what type of galaxy tends to be the oldest? Explain.
Answer:
Elliptical galaxies, such as M87, are the oldest and roundest galaxies in the universe. Astronomers think these galaxies are formed in major mergers—dramatic collisions between galaxies that result in one massive galaxy being entirely consumed by another.
Explanation:
hope this helps...
have a good day...
i need help with 1-10
Answer:
1) C. Energy
2) A. Joule
3) D. Joule
4) B. Potential
5) A. Greater
6) C. Largest
7) A. Speed and mass
8) A. Kinetic
9) A. Kinetic
10) D. Height and mass
A measure of the body's resting energy expenditure based on data that is collected four hours after eating or physical activity is called the _________?
Please help mee
1. A body weighing 2 kg moves in a straight line with a speed of 72 km / h. If the force 10N will act on the body, after how long will its speed become 30m / s?
Answer:
It's an uniformly accelerated motionVf=at +v0v0=72 km/h:3.6=20 m/s
a=F/m=10/2=5m/s^2
t=(vf-v0)/a
t= (30-20)/5=10/5=2s
6. Do you think that aliens exist?
Define discrimination and write a sentence using the word.
Define discrimination and write a sentence using the word.
Answer:
discrimination: prejudice towards a person/group based on their race, sex, age, and/or sexual orientation
Explanation:
People of color face discrimination because of the color of their skin.
Answer:
Discrimination is treatment or consideration of, or making a distinction of or against a person or thing based on the group, class or category to which that person is perceived to belong or rather.
help me with this question plz
Answer:
Greatest position of the ball are z
what’s the equation for this
what is the shape of a solid?
Answer:
3d shape is the shape of solid
What causes the apparent colors of the objects we see?
Answer: The human eye and brain transform light into color. Allowing us to see them.
Explanation: Light receptors within the eye turn light into color. The color that is reflected off of an object, is what we see. Hope this helps.
The apparent colors of the objects we see causes due to reflection of the light which they absorb and emit.
What is reflection?Reflection is the change in direction of a wavefront which occurs at an interface present between the two different media so that the wavefront of the wave returns into the medium from which it has been originated. Common examples of reflection include the reflection of light, sound wave and water waves.
The color of an object is the wavelengths of light waves that it reflects. The reflection is determined by the arrangement of electrons in the atoms of that substance which will absorb and re-emit photons of particular energy levels according to the quantum laws.
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You travel 200 m in 120minutes. What is your speed in miles per hour?
Answer:
100
Explanation:
60 minutes is an hour and there are 120 minutes so there are 2 hours. You divide 200 m by 2 and you get 100.
Can someone please help me and i will give brainliest if i can.
Answer:
Because 1 change in one factor can effect the other and that one can effect the other and so on and so on.
So, let's just say water were to stop flowing, how would the oceans take that? How would precipitation take it?
2. You are stirring some soup on the stove and you notice that the metal spoon is getting hot.
What type of heat transfer?
What are the coefficients need to balance the following equation: H2+O2=H2
Answer:
we can't balance this because there are no atoms of oxygen in the product side
Kelly sits on a rock in a field. Which of the following examples correctly name force pairs? Select all that apply.
А
Kelly pushes on the rock, and the rock pushes on Earth.
B
Earth pulls on Kelly, and Kelly pulls on Earth.
с
The rock pushes on Earth, and Earth pulls on the rock
D
Kelly pushes on the rock, and the rock pushes on Kelly.
Answer:
A
Explanation:
Write forty million in scientific notation.
Answer:
40,000,000 ⇒ scientific notation
= 4 × [tex]10^{7}[/tex]
Ball A is projected vertically upwards at a velocity of 16m.s-¹ fron the ground. ignore the effects of air friction. use the ground as zero reference. a) calculate the time taken by ball A to return to the ground. b) draw a velocity time graph for ball A
Answer: 3.26 s
Explanation:
Given
The ball is projected upward with a velocity [tex]u=16\ m/s[/tex]
Using the equation of motion
[tex]s=ut+\frac{1}{2}at^2[/tex]
Here, displacement is zero as the ball returns to its initial position
[tex]\Rightarrow 0=16\times t-0.5\times g\times t^2\\\Rightarrow t(16-0.5\times 9.8\times t)=0\\\text{i.e.}\ t=\dfrac{16}{4.9}=3.26\ s[/tex]
the velocity of the ball at any instant is given by
[tex]v=u+at\\v=16-9.8t[/tex]
6. Ella holds an ice cream cone in her hand. She soon notices that her hand begins
to feel cold. What is different about the particles that make up her hand?
A They are getting larger.
B They are gaining average energy.
C They are moving slower on average.
D They are joining together.
Answer:
C
Explanation:
the ice cream is transferring the coldness into her hand and slowing down the particles. hot means they move faster, cold is to slow down
How many significant digits are in the number 0.010?
the main purpose of the turbine in a turbojet engine is to
Answer:
The main purpose of the turbine in the turbojet engine is to Drive the compressor.
Explanation:
What confirms that the process of seafloor spreading is occurring?
A toy cart with a weight of 10N moves with a constant velocity of 2 m/s to the right on a horizontal table. According to Newton's Laws of Motion, which of the following statements is correct?
a
The table exerts a force of 10N upward on the toy cart.
b
The toy cart exerts a force of 10N upward on the toy table.
c
The toy cart exerts a force of 2N downward on the table.
d
The toy cart exerts a force of 2N to the right on the table.
Answer:
Its A ik cuz i just studied it when i was answering this question...
Explanation:
have a good day!
You toss an apple horizontally at 9.5 m/s from a height of 1.8 m. Simultaneously, you drop a peach from the same height. How long does it take the peach to reach the ground?
Answer:
Peach and Apple will take the same time as the gravitional pull acting on both of them is equal.
height of peach=initial velocity*time+1/2*gravitional pull*(time^2)
1.8=0*time+1/2*9.8*time^2
1.8=0+1/2*9.8*time^2
1.8=1/2*9.8*time^2
3.6/9.8=time^2
taaking value of gravitional pull approx to 10
3.6/10=time^2
0.36=time^2
0.6=time
therefore, the time taken is 0.6sec
Explanation:
The time it takes the peach to reach the ground is 0.61 sec
From the question,
We are to determine how long it would take the peach to reach the ground.
From one of the equations of kinematics for free falling objects,
We have that
[tex]H = ut + \frac{1}{2}gt^{2}[/tex]
Where
H is the height
u is the initial velocity,
t is the time
and g is the acceleration due to gravity ( g = 9.8 m/s²)
Since the object is dropped with no velocity, then the initial velocity is 0 m/s
From the given information
H = 1.8 m
u = 0 m/s
Putting the parameters into the formula,
We get
[tex]1.8 = 0(t) + \frac{1}{2}(9.8)t^{2}[/tex]
This becomes
[tex]1.8 = 0 + 4.9t^{2}[/tex]
[tex]1.8 = 4.9t^{2}[/tex]
Then,
[tex]t^{2} = \frac{1.8}{4.9}[/tex]
[tex]t^{2} = 0.367347[/tex]
∴ [tex]t =\sqrt{0.367347}[/tex]
t = 0.60609 sec
t ≅ 0.61 sec
Hence, the time it takes the peach to reach the ground is 0.61 sec
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help pls this is for science
Answer:
It's a transverse wave.
Nuclear energy is released during____.
SELECT ALL THAT
1. Chemical reactions
2. Fission
3. Radioactive decay
4. Breakup of molecular bonds
5. Induced splitting of atoms
Answer: fission and radioactive decay
And induced splitting of atoms
Explanation: