Explanation:
Yes, evidently, the process is consistent with the scientific process because in scientific process falsification and modification are two very important traits. So this new concept have modified the existing theories.
Through the modification a theory is adjusted without undermining other discovering made through the theory's prediction.
There are many other evidences that prove this fact for example Einstien's Theory of relativity also changes the existing concepts.
2. Write "PE" or KE" next to the types of energy
gravitational
sound
chemical
nuclear
radiant
thermal
elastic
electrical
The diagram shows that the boiling point of water is 100°C at a pressure of 1 atm.
Which change in the system would increase the boiling point?
A. Increasing the pressure
B. Removing the container's lid
C. Increasing the water's volume
D. Removing the flame.
Answer:
i think is a
Explanation:
Increasing the pressure would increase the boiling point of water at 100°C and at 1 atmospheres as increasing pressure will cause molecules to come close together and boil at a higher temperature.
What is pressure?Pressure is defined as the force applied on an object perpendicular to it's surface per unit area over which it is distributed.Gauge pressure is a pressure which is related with the ambient pressure.
There are various units by which pressure is expressed most of which are derived units which are obtained from unit of force divided by unit of area . The SI unit of pressure is pascal .
It is a scalar quantity which is related to the vector area element with a normal force acting on it.It is distributed over solid boundaries and across arbitary sections of fluid normal to the boundaries at every point.
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I WILL GIVE BRAINLYIST
Which of the following types of stars had the smallest initial mass? (10 points)
Group of answer choices
Blue main sequence
Neutron star
Red supergiant
White dwarf
Answer:
White dwarf
Explanation:
give two differences between visible light and infrared light
Answer:
Explanation:
Visible light has a wavelength that ranges from 380 nm – 750 nm on the electromagnetic spectrum while infrared light is just beyond it, ranging from 700 nm – 1 mm, the start of the non-visible portion of the spectrum. As a result, infrared cannot be seen except with special equipment like a security camera
Visible light is the common lighting method and we see it all around us. It is used in homes, work areas, factory floors, parking lots, loading docks, etc. They are also used as warning systems and to provide lighting for CCTV cameras in public places. The presence of floodlights warns intruders that their actions are being monitored.
Infrared light, however, is used when the intention is to monitor intruders covertly. Without a bright light to warn them about the presence of security cameras, intruders no longer feel the need to avoid surveillance, leaving them exposed to the IR-illuminated cameras.
Answer:
1. For humans, we can only see visible light, but can't see infrared.
2. Infrared have longer wavelengths than visible light.
A rightward force of 302 N is applied to a 28.6-kg crate to accelerate it across the floor. The force of friction between the crate and the floor is 210. Determine the net force acting on the create. Determine the acceleration of the crate.
Answer:
Net Force is 92N and acceleration is 3.22 m/s/s
Explanation:
Fnet = Net force
FR = Force of friction
m = mass
a = acceleration
Fnet = ma
Fnet = F - FR = 302 - 210 = 92N
F - FR = ma
302 - 210 = (28.6)a
a = 3.22 m/s/s
A parallel-plate capacitor is constructed using adielectric material whose dielectric constant is 3.00 and whose dielectric strength is 2.00X108V/m. The desired capacitance is 0.250 μF, and the capacitor must withstand a maximum potential difference of 4.00 kV. Find the minimum area of the capacitor plates.
Answer:
A = 0.188 m²
Explanation:
First we find the distance between the plates by using the formula of electric field intensity:
E = ΔV/d
d = ΔV/E
where,
d = distance between plates = ?
ΔV = Potential Difference = 4 KV = 4000 V
E = Electric Field = 2 x 10⁸ V/m
Therefore,
d = 4000 V/(2 x 10⁸ V/m)
d = 2 x 10⁻⁵ m
Now, we find the Area of Plates by using formula of capacitance:
C = A∈₀∈r/d
where,
C = Capacitance = 0.25 μF = 0.25 x 10⁻⁶ F
A = Area of Plates = ?
∈₀ = Permittivity of free space = 8.85 x 10⁻¹² C/N.m²
∈r = Dielectric Constant = 3
Therefore,
0.25 x 10⁻⁶ F = A(8.85 x 10⁻¹² C/N.m²)(3)/(2 x 10⁻⁵ m)
A = (0.25 x 10⁻⁶ F)(2 x 10⁻⁵ m)/(3)(8.85 x 10⁻¹² C/N.m²)
A = 0.188 m²
Calculate the speed of a car that has traveled 300 miles in 6 hours.
50 miles per hour
25 miles per hour
50 miles per hour north
25 miles per hour south
Answer:
50 miles per hour north
Explanation:
took test
A cyclist acceleration from 0m/s to 8m/s in 3second. what is his acceleration?
Answer:
2.66 m/s² .
Explanation:
Initial velocity , u = 0 m/s
Final Velocity , v = 8 m/s
Time Taken , t = 3 s
So , Acceleration = (v-u)/t = (8 m/s - 0 m/s) /3 sec . = 8/3 m/s² = 2.66 m/s²
plz help me with question ;-;
Answer:
C
Explanation:
Please HELP...Count the number of elements in the following molecule: 3 C2(H6K5)2
Answer:
3
Explanation:
(AKS 1c) A bowler rolls a bowling ball with a speed of 4 m/s. It took 2s to reach the pins at the end of the lane. What is the final speed if the ball accelerated at rate of - 1.2m/s2 ? 8 m/s O 1.6 m/s 2.8 m/s Om/sz
Answer:
B is the answer
Explanation:
When A is divided by 7x, it multiplies to0.81
HOW CAN AN APPLE DEMONSTRATE POTENTIAL AND ENERGY
Answer and Explanation in one:
In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors. So basically, you could possibly demonstrate with a variety of examples. One example may be just sitting on a table, waiting to get rolled off. I know it sounds silly, so here's another example. You are holding a bow and arrow, you pull back the arrow, aiming at the target. You are holding the arrow, filling it with potential energy. When it is let go, it is kinetic energy, the act of an object in motion, slowly riding of it's potential energy.
an object with a mass of 6 kg accelerates 4 m/s2 when an unknown force is applied to it. what is the amount of the force?
Explanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 6 × 4
We have the final answer as
24 NHope this helps you
Answer:
24 n is the answer
A Chevy Camaro drives straight off the top level off a parking garage at 13 m/s. If the car landed 90 meters away from the base of the parking garage, how high (height) was the top level?
Answer:
H = 234.85m
Explanation:
Using the formula for calculating range to find the maximum height
Range R = U√2H/g
U is the speed = 13m/s
H is the max height
R is the distance covered in horizontal direction
g is the acceleration
Substitute the given values as shown;
90 = 13√2H/9.8
90/13 = √2H/9.8
6.923 = √2H/9.8
6.923² = 2H/9.8
2H = 6.923² * 9.8
2H = 469.70
H = 469.70/2
H = 234.85m
Hence the top level was 234.85m high
Which of the following is a warning sign of an abusive relationship?
Answer: The choices?
Explanation:
PLEASE HELP (multiple choice)
In zoes egg experiment which two forces are balanced to keep it from hitting the pan
Answer:
The forces of push and pull
Explanation:
In the egg drop experiment, the egg is balanced on top of a toilet paper tube and balanced on a pan. The pan itself is placed on top of a glass of water. When the experimenter uses his hands to push the pan, the force of gravity pulls the egg downwards making it move down, right into the glass of water.
So the two forces which are applied in opposite directions are;
1. The force of push applied horizontally by the hand when it pushes the pan away, and
2. The force of pull caused by gravity which makes the egg move vertically downwards.
Answer:
Forces of push and pull
A mover slides a refrigerator weighing 650 N at a constant velocity across the floor a distance of 8.1 m. The force of friction between the refrigerator and the floor is 230 N. How much work has been performed by the mover on the refrigerator
Answer:
The magnitude of the work performed by the mover is 1863 J.
Explanation:
The work can be found using the following equation:
[tex] W = F*d [/tex]
Where:
F: is the force
d: is the displacement = 8.1 m
First, we need to find the net force in the horizontal direction, as follows:
[tex] \Sigma F_{x} = ma = 0 [/tex]
a = 0 since the mover slides a refrigerator at a constant velocity.
[tex] F_{x} = F_{f} = -230 N [/tex]
[tex]F_{f}[/tex]: is the friction force.
Then, the work is:
[tex] W = F*d = -230 N*8.1 m = -1863 J [/tex]
Therefore, the magnitude of the work performed by the mover is 1863 J.
I hope it helps you!
When velocity is graphed with respect to time, what does the area under
the line represent?
A) velocity
B) distance
C) acceleration
D) displacement
Answer:
the answer is D
Explanation:
Since the velocity of the object is the derivative of the position graph, the area under the line in the velocity vs. time graph is the displacement of the object.
Question 6 of 10
What is the role of the commutator in a DC generator?
O A. It causes the magnetic fields of the permanent magnets to
reverse.
B. It causes the electric current to constantly reverse its direction.
C. It keeps the electric current flowing in one direction.
D. It keeps the magnetic fields of the permanent magnet steady.
SUBMI
Answer:
C. It keeps the electric current flowing in one direction.
Explanation:
just got it correct on my quiz.
The commutator in a DC generator keeps the electric current flowing in one direction option (C) is correct.
What is a DC generator?A direct current generator's principal job is to transform mechanical energy into electricity. Internal combustion engines, water, gas, steam turbines, and even hand cranks are all sources of mechanical energy for DC generators.
The commutator in a DC generator converts the alternate current into the direct current.
Thus, the commutator in a DC generator keeps the electric current flowing in one direction option (C) is correct.
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Help me please help me it’s due today
Answer:
Explanation:
A) The function of a switch is to shut the circuit down. There is a current flow of zero. Press the switch again and the circuit works.
Answer: D
B) a. This is a parallel circuit. It is the way all house wiring works.
B) b. Nothing happens. The other two bulbs continue on as before until someone presses the switch.
Which of the following statements about peer pressure is TRUE?
A) Peer pressure is saying “no” and meaning it.
B) Peer pressure is the pressure to go along with the behavior and beliefs of your friends.
C) Peer pressure encourages people to do things they know are wrong.
D) Peer pressure is the pressure to do something dangerous.
Answer:
B because I remember that's what peer pressure is
Answer:
C
Explanation:
I think it is C because peer pressure is doing something you don't want to do and you think it is wrong to do that, but it could aslo be B.
Student one used bowling ball A in a bowling game against Student 2, who used bowling ball B. Use Newton’s Three Laws of Motion to explain the following:
Make a claim as to how Newton’s Three Laws of Motion can impact the bowling game for the 2 students. .
Use the image below and your background knowledge of how mass, acceleration, and force differ for the two bowling balls to support your claim, and provide reasoning as to how this evidence supports your claim.
Explain what variable the players could manipulate to maximize the force exerted on the pins.
Answer:
Newton’s Three Laws of Motion has a great impact.
Explanation:
Newton’s Three Laws of Motion has a great impact on the bowling game for the 2 students. When the student one throw ball to the student 2, the ball decrease its speed due to the gravity and opposing air. If these forces are removed from the system the ball will continue its motion till another force is applied on it. When the force applied to the ball it produces acceleration in the direction to the applied force. If the ball touches the ground it bounce back with equal force which is a reaction of the ground.
Which force is always pulling but never pushes and is directly influenced by mass
Answer:
i believe it is gravity
Explanation:
the gravitational force is a force that attracts any two objects with mass. it pulls things together does not pushes them.
Bile is a compound that helps in the digestion of fat and eliminates waste products from the blood. True O False
Answer:
That should be true because bile is ¨a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder.¨
Explanation:
As the amount of surface area increases, what happens to the rate of this reaction? If the antacid tablet were broken into eight pieces, what would be a reasonable estimate for the time of
as the surface area increases the rate of reaction also increases.
Explanation:
Answer:
A.) The rate is faster.
C.) 28 Seconds
Without the comma, the above sentence appears to be asking if the ______ actually ate bob.
a.friend
b.bird
Answer:
b. bird
i am pretty sure this is right, but i cant be sure bcause i know what the sentence is.
I have no clue on how to do this
a)5m/s b)5
the 5 is because you add the seconds to get 8 seconds and then do the same with the distance to get 40. 40/8 = 5. speed = 5
Velocity = displacement/change in time
V = 40/8
I just realized how unorganised my math looks but I hope this is helpfull
Assuming that the acceleration of an object due to gravity is ag = 10 m/s2, it is possible to find the distance an object falls when dropped by using the equation ay = \frac{1}{2} ag t2. Using this value for gravity, how far would an object drop after 5.0 s?
105 m
125 m
135 m
115 m
Answer:
125 m
Explanation:
i just did the edpuzzle
A transverse and longitudinal wave combine to form what kind of wave?
a sound wave
a radio wave
an electromagentic wave
a surface wave