Física
Cinemática, análisis de fuerzas, electricidad y razonamiento con ecuaciones.
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question 18 of 25 why do melting ice caps make earth warmer? a. the gro…
A. The ground under the ice has a lower albedo.
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show instructions question 1 (1 point) chin - ups are pulls for the lat…
Question 1: True Question 2: 2. Crunches, 3. Russian Twists, 1. Supermans
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question 30 what continent is labeled j? what continent is labeled j? a…
D. Europe
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population growth rate, conservation tactic, years before population ru…
None of the above options are correct. But if we had to analyze the given options: A is incorrect as there is no evidence in the table that coal conservation affects population gr…
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question 16 of 25 what is one way to make earths coal supply last longe…
D. Teach public energy conservation
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question 15 of 25 which of these decreases as greenhouse gas pollution …
C. Thickness of freshwater ice sheets
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4. ultraviolet radiation has a frequency of 8.2x10¹⁵ hz. determine its …
$3.66\times 10^{-8}\ m$
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question 14 of 25 the graph below shows natural and human impacts on cl…
D. Human activity has a greater impact on global warming.
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question 13 of 25 which of these is part of a feedback loop that result…
A. More evaporation of water due to warmer temperatures causes low, thick clouds to form.
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the graph shows ice core data that illustrate historical trends in the …
A. Atmospheric CO₂ levels would be increasing at a slower rate.
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what is the name of the objects below? 1 point measuring cups test tube…
# Breve explicación: Los recipientes mostrados tienen la forma característica de los bocales de vidrio, con un borde emborronado para facilitar la vertido y marcas graduadas para …
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3. which of the following wavelengths would have the highest energy? cl…
$35\ nm$
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question 11 of 25 how is a nonrenewable resource different from a renew…
D. A nonrenewable resource is able to run out.
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question 10 of 25 a lightbulb has an efficiency of 1.8%. how much heat …
D. 117.8 J
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bears in alaska 17. in which year did the bears overshoot their carryin…
17. 2020 18. There are natural fluctuations and variables like food availability, predation, and disease. 19. Carrying capacity would increase, bear population would likely increa…
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according to this graph, what can be said about the global surface temp…
The global surface temperature average was significantly lower during the period from 1850 to 1910.
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greenhouse gases & climate change mary lo what is climate change? crash…
# Explicación breve: Los glaciares son masas de hielo. Cuando aumenta el tamaño de los glaciares, significa que más agua está en forma de hielo en tierra y menos en los océanos. P…
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question 9 of 25 what type of power plant burns material to make electr…
C. Coal
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read the excerpt from \elevator systems of the eiffel tower, 1889\ by r…
After the first elevator was installed for passenger service, hotel and store operators became aware of the commercial advantages of elevating their patrons by machinery.
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question 8 of 25 you replace a 200 w lamp with a more efficient 55 w le…
C. 12,528,000 J
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question 7 of 25 what is one way deforestation contributes to climate c…
A. Fewer trees are available to absorb greenhouse gases.
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this city was once a city of industry, but now is a symbol of urban dec…
1. A. Detroit 2. A. Human activity
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question 6 of 25 which of the following is a disadvantage of using sola…
B. It requires a high initial investment.
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the graph shows data from ice cores. which claim does the graph support…
D. Earth's greenhouse gas levels are rising at an increasing rate.
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question 4 of 25 which of the following is a nonrenewable resource? a. …
C. Stainless steel
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question 3 of 25 which of these is a drawback of extraction using hydra…
B. Contamination of underground water
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5. the following footwear is required in the lab ___. a) shoes appropri…
5. d) Closed - toe shoes 6. b) taste substances being used 7. c) Tell your science teacher 8. No answer (lack of syllabus information) 9. No answer (lack of syllabus information) …
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2. the diagram to the left shows models of four different electromagnet…
Wave A has the longest wavelength, lowest frequency, and lowest energy.
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click this link to view o*nets work activities section for general and …
scheduling work and activities getting information making decisions and solving problems coordinating the work and activities of others
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question 2 of 25 what makes venison (meat from deer) a renewable resour…
B. Reproduction
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which energy source contributes least to global warming? a. natural gas…
B. Wind
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1. what property is the number of waves that pass a fixed place in a gi…
C. Frequency
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250 milliliters is about ___. a 1 gallon b 1 pint c 1 quart d 1 cup
D. 1 cup
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matching the following word with the correct definition. geosphere hydr…
Geosphere - this includes everything that makes up the land on earth Hydrosphere - this includes all of the water on earth Biosphere - this includes everywhere on the Earth includ…
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consider this claim: schools should be required to teach cursive handwr…
A study published in Academic Therapy reported that first grade students who learned cursive had higher scores in reading and spelling compared to students who only learned to wri…
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the main goal of the allied leaders at the potsdam conference was to fi…
agree on strategies to defeat Japan.
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consider this claim: prescribing antibiotics for illnesses that they ca…
Multiple studies have shown that overprescribing antibiotics can lead to the development of antibiotic - resistant bacteria, which in turn can lead to infections that are difficul…
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a) play the largest player of the red team and leave the blue team empt…
a) There is a non - zero acceleration, velocity starts from 0 and increases, displacement occurs in the red - team's direction, and the resultant force vector points in the red - …
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a cheetah accelerates at 5.4 m/s^2 with a force of 388.8 n. what is the…
### Explanation: ## Paso 1: Identificar la fórmula Usamos la segunda ley de Newton $F = ma$, donde $F$ es la fuerza, $m$ es la masa y $a$ es la aceleración. Para encontrar la masa…
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if a 70 kg swimmer pushes off a pool wall with a force of 250n will the…
1. **Para la pregunta del nadador**: - **Explicación paso - a - paso**: - **Paso1: Identificar la ley de Newton a aplicar** La segunda ley de Newton es \(F = ma\), donde \(F\) es …
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a roller coaster ride carriage that you sit in be accelerated at.5 m/s^…
# Explicación: ## Paso 1: Identificar la fórmula Usamos la segunda ley de Newton $F = ma$, donde $F$ es la fuerza, $m$ es la masa y $a$ es la aceleración. ## Paso 2: Resolver la p…
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a car has a mass of 1,000 kg and accelerates at 3 m/s². what is the for…
1. **Respuesta a la primera pregunta**: - # Explicación: - ## Paso 1: Identificar la fórmula Utilizamos la segunda ley de Newton, $F = ma$, donde $F$ es la fuerza, $m$ es la masa …
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what unit is acceleration measure? ○ m/s^2 ○ newtons ○ kilograms ○ seco…
# Explicación: ## Paso 1: Identificar la fórmula de la aceleración La aceleración $a$ se calcula con la fórmula $a=\frac{F}{m}$, donde $F$ es la fuerza neta y $m$ es la masa. ## P…
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what unit is force measured? kilograms mass m/s^2 newtons question 10 w…
- ¿Qué unidad se utiliza para medir la fuerza? Newton's - ¿Qué unidad se utiliza para medir la masa? kilogramos
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it is acceptable to use a circular saw without an electrical ground as …
True
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the relationship between force, mass, and acceleration is best describe…
B. Newton's Second Law
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how does inertia function in each of illustrations below? a inertia cau…
C. Inercia causes the man's body to move forward when he puts on the brake and it causes the object to keep moving in orbit around Earth.
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check for ______ prior to operating a circular saw. blade sharpness bla…
D. Todas estas son correctas
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10. which of the following best describes the relationship between wave…
the shorter the wavelength the higher the energy
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which law is this a picture of? action: air rushes down reaction: ballo…
# Breve explicación: La tercera ley de Newton establece que para toda acción hay una reacción igual y opuesta. En la imagen, el aire que sale hacia abajo (acción) hace que el glob…
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a student pushes a tennis ball and a bowling ball with the same force. …
The tennis ball has less mass, so it has less inertia.
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1. arbor vitae 2. superior colliculi 3. lateral ventricle 4. optic chia…
1. L. "tree of life" within the cerebellum 2. No correct match 3. E. fluid filled space above the thalamus and below the fornix 4. H. nerves that cross each other on the underside…
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question 5. when comparing the role of the ocean in climate change with…
D. Both absorb carbon dioxide
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which law does this picture represent? at rest at constant velocity bal…
# Breve explicación: La primera ley de Newton establece que un cuerpo permanecerá en reposo o en movimiento rectilíneo uniforme (a velocidad constante) a menos que sea sometido a …
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question 4. what strategies can be proposed to mitigate (help solve) th…
A. Reduce greenhouse gas emissions globally
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which law applies to this picture? newtons 1st law newtons 2nd law iner…
Newton's 2nd Law
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what does it mean for an object to be in a state of equilibrium? the ob…
The object has a net force of zero, so its motion is constant (either at rest or moving at a constant velocity).
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a. directions drag and drop the correct answer choice to each answer bl…
In an atom, a proton has a positive charge, an electron has a negative charge, and a neutron has a neutral charge.
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question 3. what would a diagram illustrating the oceans role in climat…
B. It demonstrates how the ocean absorbs, stores, and moves heat, carbon, and water
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always use ____ when operating a circular saw in a wet location. gloves…
C. A GFCI
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which statement is true about all forces? forces can only happen on ear…
# Breve explicación: Las fuerzas se rigen por la tercera ley de Newton, que establece que para toda acción hay una reacción igual y opuesta, lo que significa que las fuerzas siemp…
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katie sits on the ground and reaches hands on a bowling ball in front o…
B. The soccer ball moves a greater distance because it has less mass.
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question 2. how does climate change impact ocean currents and the overa…
C. It disrupts the patterns of ocean currents, affecting global climates
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when a rocket expels gases downward, the gases exert an equal and oppos…
B. Newton's Third Law
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the blade cutting depth shall be adjusted to the stock thickness plus: …
1/8 inches
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according to newton’s second law of motion, what two factors determine …
# Breve explicación: La segunda ley de Newton establece que la fuerza neta aplicada a un objeto es igual al producto de su masa por su aceleración ($F = ma$), por lo que la masa y…
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question 1. analyze the potential consequences of the oceans changing a…
C. Shifts in precipitation patterns may occur
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if a circular saw blade becomes jammed during operation, it will have a…
Jump backward
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de tocqueville observed the laissez - faire government in the united st…
stayed out of people’s affairs.
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before operating a circular saw in the work place: both, refer to the m…
Both, refer to the manufacturer's instructions and inspect the saw, are correct
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if you apply a constant force to an object, but you double the objects …
The acceleration will be cut in half.
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question 1 match the terms/law newtons 1st law newtons 2nd law newtons …
# Breve explicación: La primera ley de Newton establece que un objeto en reposo permanece en reposo y un objeto en movimiento permanece en movimiento a menos que se le aplique una…
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if you push a cart with a larger force, what will happen to its acceler…
The acceleration will increase.
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part one: introduction paragraph: prompt: write an introduction paragra…
Horror is a genre that has long - fascinated audiences, preying on our deepest fears and emotions. Among its key elements such as suspense, monsters, setting, source, and theme, o…
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which of the following is an example of an action - reaction force pair…
The force of a foot on a soccer ball and the force of the ball on the foot.
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never use \push blocks\ with a jointer. true false
B. False
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understanding health and wellness your total health total health direct…
1. Affected area: Mental/Emotional. Improvement: Practice relaxation and study regularly. 2. Affected areas: Mental/Emotional, Social. Improvement: Talk to counselor and classmate…
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always assure the switch is on before the jointer is plugged in. true f…
False
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a seatbelt is an essential safety device because it helps to reduce the…
D. All of the above, because they all contribute to the final outcome.
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back the stock out of the cutter head if cutting becomes difficult. tru…
True
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what is the specific heat of an object that weighs 86.7 g and absorbs 2…
$1.54\ J/g\cdot^{\circ}C$
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never attempt to joint material less than ten inches in length. true fa…
True
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which of the following is a real - world example of newtons first law (…
B. A person lurching forward when a car stops suddenly.
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always be sure the cutter head is in contact with the work stock when t…
True
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when jointing only cuts ______ thick or less should be made. 1/4 inch 1…
1/8 inch
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5) how long do the dopamine \highs\ from social media generally last, a…
B. Not very long.
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only ____ person(s) shall be allowed in the work zone during jointer op…
1. 1 persona
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when you leave a cup of hot coffee in a room, it cools down over time. …
heat is transferred from hot to cold
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when you use a toaster to make toast, electrical energy is converted in…
1st law of thermodynamics
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before using a jointer you should; check it for damage ask a friend’s a…
Check it for damage
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what is the main function of the fuel system? a) store fuel b) supply f…
C. Both A and B
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is required when operating a jointer. a gfci ppe a spotter all of these…
D. All of these are correct
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when planning bowed stock, the cupped side should be facing downward. t…
True
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which substance would you expect to take more energy to heat up, substa…
Substance B because it has a larger specific - heat capacity.
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lean into the stock if cutting becomes slow. true false next question 2…
False
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make sure the switch on the planer is in the off position before pluggi…
True
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always stand directly in line with the stock being fed into the planer.…
B. False
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by the 1750s the colonies in north america had already begun to bind th…
By the 1750s, North American colonies began confederating while still seeing themselves as British subjects. Britain protected them. After the French and Indian War, when Britain …
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when operating a planer you should never; use ppe use sharp cutter blad…
Leave it running while unattended
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after chinas rulers adopted a state ideology based on confucianism, a m…
C. Confucian ideas became integrated into Chinese culture.