Answer:
Electrons have more energy the farther they are from the nucleus.
Explanation:
A P E X
Please help me on due today
A personal enrichment goal is related to your life outside the classroom. You might set a goal to read every day or take on a new challenge in an extracurricular team, sport, or activity.
Your completed portfolio will demonstrate how you worked to achieve your stated goals.
• Step 1: Decide what you want to achieve.
• Step 2: Set your goal.
• Step 3: Decide what actions you need to take to reach your goal.
• Step 4: Set a time frame.
• Step 5: Think about your assets and obstacles.
Subject-Matter Achievement Goal
1. My subject-matter achievement goal is:
Answer:
2. My action steps are:
Answer:
3. My time frame is:
Answer:
4. Assets and Strengths:
Answer:
5. Motivation:
Answer:
6. Obstacles:
Answer:
7. Solutions:
Answer:
Study/Organizational Skills Goal
8. My study/organizational skills goal is:
Answer:
9. My action steps are:
Answer:
10. My time frame is:
Answer:
11. Assets and Strengths:
Answer:
12. Motivation:
Answer:
13. Obstacles:
Answer:
14. Solutions:
Answer:
Personal Enrichment Goal
15. My personal enrichment goal is:
Answer:
16. My action steps are:
Answer:
17. My time frame is:
Answer:
18. Assets and Strengths:
Answer:
19. Motivation:
Answer:
20. Obstacles:
Answer:
21. Solutions:
Answer:
Subject-Matter Achievement Goal
1. My subject-matter achievement goal is:
Answer: Read 1 full chapter book in 1 week
2. My action steps are:
Answer: Read an equal amount of chapters every day for a week
3. My time frame is:
Answer: 1 week
4. Assets and Strengths:
Answer: ability to focus,
5. Motivation:
Answer: Great interest in the book I chose
6. Obstacles:
Answer: Might lose page number, forget where I am at in the book, forget to read one day
7. Solutions:
Answer: Get or make a bookmark, keep a personal reading log, set alarm for a certain time each day
Study/Organizational Skills Goal
8. My study/organizational skills goal is:
Answer: manage my time better
9. My action steps are:
Answer: planning things out to be more organized
10. My time frame is:
Answer: from now to the end of the school year
11. Assets and Strengths:
Answer: a planner so I can pace myself
12. Motivation:
Answer: give breaks and take time to do things I enjoy
13. Obstacles:
Answer: leaving things last minute
14. Solutions:
Answer: planning to do certain things before a certain day
This can be for any of those goals
Personal Enrichment Goal
15. My personal enrichment goal is:
Answer: Stay healthy
16. My action steps are:
Answer: eat healthier foods
17. My time frame is:
Answer: now to the end of the school year
18. Assets and Strengths:
Answer: I don't make a big deal out of eating veggies and stuff
19. Motivation:
Answer: treat myself every so often
20. Obstacles:
Answer: Craving junk food
21. Solutions:
Answer: find a way to make healthier foods taste similar to junk food (EX. Put cheese on broccoli)
A wave vibrates up and down 22 cycles in 7 seconds with a wave speed of 57. Calculate the
wavelength. (Round to the 2nd number after the decimal)
Answer:
18.14m
Explanation:
Given parameters:
Frequency = [tex]\frac{22}{7}[/tex]cycles/s
Speed of wave = 57m/s
Unknown:
Wavelength = ?
Solution:
The speed of a wave is related to frequency and wavelength using the expression below;
V = f x λ
V is the speed of the wave
f is the frequency
λ is the wavelength
Insert the parameters and find λ;
57 = [tex]\frac{22}{7}[/tex] x λ
λ = 57 x [tex]\frac{7}{22}[/tex] = 18.14m
Rohith has been jogging to the bus stop for 2.0 minutes at 3.5 m/s when he looks at
his watch and sees that he has plenty of time before the bus arrives. Over the next
10.0s, he slows his pace to a leisurely 0.75 m/s. What was his average acceleration
during this 10.0 s?
The free-body diagram below shows the forces acting on a bicycle as the
rider pedals to the right. The vectors are not drawn to scale. The bicycle has a
weight of 700 N and a pedaling force of 325 N. As it moves, it encounters 100
N of air resistance. What is the net force on the bicycle in the x-direction?
Answer:
225 N to the right
Explanation:
got it wrong on the quiz and revealed the correct answer
Which of the following is true about the speed of light? (2 points)
Answer:
It is a constant when the light is traveling in a vacuum.
How does a battery supply electrical energy to a circuit?
A. Chemical reactions in a battery cause positively and negatively
charged particles to separate and become concentrated at the
battery terminals.
B. Chemical reactions in a battery cause positively and negatively
charged particles to concentrate in the center of the battery.
C. The force of attraction between positively and negatively charged
particles generates electrical energy within the battery.
O
D. Negatively charged particles that are concentrated at the negative
terminal are repelled from one another, forcing them into a
conducting wire.
ko
Answer: A.
Explanation:
took the test just now
A battery supplies electrical energy to a circuit Chemical reactions in a battery cause positively and negatively charged particles to separate and become concentrated at the battery terminals. The correct option is A.
What is a chemical reaction?A chemical reaction is a process in which one or more substances, also known as reactants are converted to one or more different substances, known as products. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products
Chemical reactions in a battery cause positively and negatively charged particles to separate and become concentrated at the battery terminals resulting in the transformation into electrical energy therefore the correct option is A.
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An object travels in a straight line for 1200 m at a velocity of 50 m/s, what is its time of travel?
Given that,
distance = d = 1200m
velocity/speed = s = 50m/s
time = t
Also,
s = d/t
And,
t = d/s
t = 1200/50
t = 120/5
t = 24
Therefore, it takes 24s to travel.
Answer: Therefore, the travel time of a car that travels 1200 meters at 50 m/s is 24 seconds.
Explanation:
An object travels in a straight line for 1200 m at a velocity of 50 m/s, what is its time of travel?
Data:
d = 1200 m
V = 50 m/s
t = ?
The formula for uniform motion is:
V = d/tWhere
V = speedd = distancet = timeWe clear the formula for time t:
t = d/v
t = (1200 m)/(50 m/s)
t = 24 s
Therefore, the travel time of a car that travels 1200 meters at 50 m/s is 24 seconds.
a train moving at a speed of 15 m/s is accelerated to 45 m/s over a 12 s period. what is the acceleration?
Answer:
2.5 m/s²
Explanation:
Given:
v₀ = 15 m/s
v = 45 m/s
t = 12 s
Find: a
a = (v − v₀) / t
a = (45 m/s − 15 m/s) / 12 s
a = 2.5 m/s²
Only visibly rough surfaces have friction between them
A truck moving due south takes a turn and starts moving towards east while maintaining the same speed.
Its velocity remains constant.
It covers unequal distances in equal intervals of time.
Its velocity changes
None of the above
Answer:
Its velocity changes
Explanation:
When the truck changes direction, its velocity changes.
Velocity is a vector quantity that specifies the magnitude of motion and direction it is taking.
When direction changes, the velocity of a body will also change. This is unlike speed which is a scalar quantity.
Velocity is the displacement divided by time taken.
A machine has mechanical advantage 2,what does it mean?
Answer:
The mechanical advantage of a machine is 2. Mechanical advantage MA is the ratio of output (generated by the machine) force to input (applied to the machine) force. So MA = 2 means that for example if you apply 100 N then your machine will multiply that force and generate 200 N .
Pregunta 1 (1 punto)
(05.02 LC)
In a battery (voltaic cell), in which direction do electrons flow? (1 point)
a
From the negative to the positive terminal
b
From the positive to the negative terminal
c
From the copper plate to the zinc plate
d
From the top of the plates to the bottom
Pregunta 2 (1 punto)
(05.02 LC)
Which statement best describes why some materials are not magnetic? (1 point)
a
Magnetic materials have many spinning unpaired electrons
b
Paired electrons spin in opposite directions, cancelling their magnetic fields
c
Electrons of magnetic materials are loosely held by atomic nuclei
d
Magnetic materials move positively charged particles to other atoms
Pregunta 3 (1 punto)
(05.02 LC)
If Keisha's thumb points in the direction of an electrical current, what will her fingers curled around the wire represent? (1 point)
a
The opposing electric current
b
The opposing magnetic current
c
The direction of the electric field
d
The direction of the magnetic field
Pregunta 4 (1 punto)
(05.02 MC)
A light bulb provides a resistance of 20 Ω to the 30 A current that runs through it. Determine the voltage of the battery in the flashlight. (1 point)
a
0.7 V
b
2 V
c
51 V
d
600 V
Pregunta 5 (1 punto)
(05.02 MC)
Alyssa is taking a walk on a nature path near her neighborhood. She carries a compass with her. As she walks along the path, she notices the needle on the compass is occasionally deflected from its original position. If she has not changed the direction she is walking, what is most likely causing the occasional shift in the needle? (1 point)
a
Changes in pressure
b
Changes in temperature
c
Sources of electrical current
d
Changes to Earth's magnetic field
Pregunta 6 (1 punto)
(05.02 MC)
Quickly spinning the handle of a hand generator, Kevan is able to light three bulbs in a circuit. When he uses two batteries instead of the generator, the bulbs are very dim. Which statement best explains why the batteries are not able to power all three light bulbs like the generator? (1 point)
a
The batteries do not make the charges move as much
b
The generator creates less voltage
c
The batteries have higher amperage
d
The generator current is more steady
Pregunta 7 (1 punto)
(05.02 MC)
A construction worker uses an electrical device to attract fallen nails and sharp objects from a construction site. What is causing the attraction of the metal objects? (1 point)
a
An electrical wave oscillating perpendicular to the electrical device.
b
An electrical charge radiating perpendicular to the wire
c
A magnetic wave radiating perpendicular to an electrical device
d
A magnetic wave and electrical current moving in opposite directions
Pregunta 8 (1 punto)
(05.02 MC)
A tablet draws 10.0 A when plugged into a 150-V line. If another tablet has twice as much resistance, what would the current of the second tablet be if plugged into the same line? (1 point)
a
0.60 A
b
1.5 A
c
5 A
d
15 A
In a battery (voltaic cell), the electrons flow from the negative to the positive terminal.
What is meant by electric current ?Electric current is defined as the rate of flow of electric charge through any cross-section in an electric circuit.
Here,
1) In a battery (voltaic cell), the electrons flow from the negative to the positive terminal.
2) Some materials are not magnetic because, they have equal number of electrons that spin in opposite direction. Thus, the paired electrons spin in opposite directions, cancelling their magnetic fields.
3) According to Right-hand thumb rule, if Keisha's thumb points in the direction of an electrical current, her fingers curled around the wire will represent the direction of magnetic field.
4) Resistance of the light bulb, R = 20 Ω
Current flowing through the light bulb, I = 30 A
Voltage of the battery,
V = IR
V = 30 x 20
V = 600 V
5) The deflection in the needle of the compass is due to the change in the Earth's magnetic field.
6) The batteries are not able to power all three light bulbs like the generator because, the generator current is more steady.
7) The attraction of the metal objects towards the electrical device is due to an electrical wave oscillating perpendicular to the electrical device.
8) Current in the first tablet, I₁ = 10 A
Voltage applied, V = 150 V
We know that,
I [tex]\alpha[/tex] 1/R
Therefore,
I₁/I₂ = R₂/R₁
I₂ = R₁I₁/R₂
I₂ = R x 10/2R
I₂ = 10/2 = 5 A
So, the current of the second tablet is 5 A.
Hence,
In a battery (voltaic cell), the electrons flow from the negative to the positive terminal.
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Why are recessive traits not seen even though they are present in the alleles?
Answer:
Explanation:. The vending machine holds 10 bags of pretzels and 8 packs of cheese crackers. Both the pretzels and crackers dispenseat 2 bags per hour. How many hours will elapse when there is the same number of snacks remaining in the vending machine? How many of each item will there be at this point?Equation1______________________________Equation2_______________________________Hours: ___________________________ Items: ____________________________What does each equation have n common? ______________________How does this affect the solution?
Function of nucleus
Answer:
The nucleus has very important roles to play. As it contains genetic material, it coordinates cell activities like protein synthesis and cell division.
Explanation:
Which of the following games below involves different manipulative skills like throwing and rolling and some motor skills?
Group of answer choices
target games
invasion games
striking and fielding games
physical activity
Answer:
striking and fielding
Explanation:
striking and fielding
1. What is the gravitational force of attraction between two 800 kg spherical objects that are 5 m apart? What would the gravitational force of attraction between these two objects be if the distance between them was changed to 10 m?
Answer:
the force of gravity between them is quadrupled .
Explanation:
Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces.
PLEASE HELP MEEEEEE
Some physical evidence was obtained from a crime scene. For which of these pieces of evidence will forensic scientists conduct an identification test?
A.
a hair strand
B.
a black powder
C.
a glove
D.
bloodstains
Answer:
The correct option is D. bloodstains
(03.07 MC)
A 660 kg car is travelling around a circular track of radius 55.0 m at 11.5 m/s.
Calculate the force and its direction that provides the centripetal force acting on the car to keep it
in the circular path. (3 points)
a) 24 N toward the center of the circle
b) 24 N along the line tangent to the circle
c) 1.587 E3 N along the line tangent to the circle
d) 1.587 E3 N toward the center of the circle
Answer: D) 1.587 E3 N toward the center of the circle
This is the same as saying 1.587*10^3 newtons, or we can say 1587 newtons
=================================================
Work Shown:
m = mass = 660 kilograms
v = velocity = 11.5 meters per second
r = radius of circle = 55.0 meters
-------------
F = centripetal force = inward pulling force toward center of circle
F = (m*v^2)/r
F = (660*11.5^2)/55
F = 1587
F = 1.587 * 10^3
F = 1.587 E 3
The "E 3" notation is what many calculators display scientific notation to be
The units for the force here are in newtons.
The force is pulling on the object toward the center of the circle, which helps keep the car on the circular path, rather than it going off on a tangent.
Gamma rays are given out from the
of radioactive atoms. What one word completes the sentence??
Gamma rays are given out by the nucleus of certain radioactive materials. Radioactive material ray causes harm to the human beings and environment.
What is gamma-decay?Gamma decay is the production of extremely high-frequency electromagnetic radiation in order to stabilize the unstable nucleus. You must be well-versed in the various energy levels found in an atom.
The Nucleus has its own amount of energy. Gamma decay is the nucleus' method of transitioning from a higher energy level to a lower energy level by emitting high energy photons.
Gamma rays are given out by the nucleus of certain radioactive materials.
Hence, nucleus is the right answer for the blank.
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where is the centripetal force directed on a banked curve?
Answer:
The net force on a car traveling around a curve is the centripetal force, Fc = m v2 / r, directed toward the center of the curve.
Explanation:LET ME KNOW IF ITS WRONG. HAVE A NICE DAY!!!!!!!!!!
Answer: The net force on a car traveling around a curve is the centripetal force, Fc = m v2 / r, directed toward the center of the curve. The centripetal force is directed at right angles to the motion and also along the radius towards the centre of the circular path. In order for a car to move around a circular track, something must provide a centipetal force. One source of the centripetal force is friction between the tires and the road. This means that the tires do not need to supply any friction at all to keep the car from slipping sideways. ...
Hope this helps... stay safe and have a great day!!! :D
- A type of elevator called a cage is used to raise and lower miners in a mine
shaft. Suppose the cage carries a group of miners down the shaft. If the
unbalanced force on the cage is 60.0 N, and the mass of the loaded cage is
1.50 10 kg, what is the acceleration of the cage?
A ball is thrown up into the air with the initial velocity of 18 m/s. A) How high does the ball go? B) Calculate the time needed for the ball to reach its max height.
Answer:
(a) h = 16.53 m (b) t = 1.83 s
Explanation:
Given that,
The initial velocity of a ball, u = 18 m/s
When it reaches to the maximum height, its final velocity v will be 0. Let it goes to a maximum height of h meters.
Finding t using first equation of motion as follows :
v = u +at
Here, a = -g and v = 0
[tex]t=\dfrac{u}{g}\\\\t=\dfrac{18}{9.8}\\\\t=1.83\ s[/tex]
The time needed for the ball to reach its max height is 1.83 s.
Let h is the maximum height. Using second equation of motion to find it :
[tex]h=ut-\dfrac{1}{2}gt^2\\\\h=18(1.83)-\dfrac{1}{2}\times 9.8\times (1.83)^2\\\\h=16.53\ m[/tex]
So, it will go to a maximum height of 16.53 m.
A force of 30 Newtons is used to push a basket along the floor a total distance of 3 meters. How much work is done on the basket?
Answer:
the total work done is 90J
Explanation:
the reason why is because you are the force (30 newtons) and the metere (3) so you will be multiplying those two numbers together.
W= FD 30(3)= 90J
Dose the atoms in a solid move freely or remain in a fixed position ?
The car's initial speed was 15 m / s and the distance the car travels before it comes to a complete stop after the driver applies the brakes is 63m. What is the magnitude of the car's acceleration?
Initial speed of the car (u) = 15 m/s
Final speed of the car (v) = 0 m/s (Car comes to a complete stop after driver applies the brake)
Distance travelled by the car before it comes to halt (s) = 63 m
By using equation of motion, we get:
[tex] \bf \longrightarrow {v}^{2} = {u}^{2} + 2as \\ \\ \rm \longrightarrow {0}^{2} = {15}^{2} + 2 \times a \times 63 \\ \\ \rm \longrightarrow 0 = 225 + 126a \\ \\ \rm \longrightarrow 126a = - 225 \\ \\ \rm \longrightarrow a = - \dfrac{225}{126} \\ \\ \rm \longrightarrow a = - 1.78 \: m {s}^{ - 2} [/tex]
[tex] \therefore [/tex] Acceleration of the car (a) = -1.78 m/s²
Magnitude of the car's acceleration (|a|) = 1.78 m/s²
Can some one help me please and thanks
Answer:
The way in which objects exert forces on each other is described by Newton’s 3rd law of motion
Explanation:
Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects and is inversely proportional to the square of the distance between them. The factors G, M, and rare the same for all masses at the surface of the Earth.
pls help me tbis is being timed
Answer:
it would have to be 1000 netons
A skier rides horizontally off of a 200 meter high cliff. If he lands 25 meters away from
the base of the cliff, how fast was he skiing as he went off the edge?
Answer:3.91
Explanation:
The unit of the electric resistance is ???
Answer:
OhmsStep-by-step-explanation :
Electric resistance
Dimension length :
Squared mass per time cubed , that is , electric current squared.
The SI derived unit of electric resistance is the ohm,(volt per ampere).
16. Through which of the following mediums is the velocity of a sound wave the greatest?
A. Steel
B. Lend
Water
D. Air
A.) Steel.
steel travels 5,060 meters per second,
lead travels 1,402 meters per second,
water travels 1,439 meters per second,
and air depends on temperature.