物理
力学、受力分析、電気、式を使った解法。
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matching question compare g and g by placing the descriptions in the co…
g: The acceleration of gravity near the Earth's surface; \(9.8\frac{m}{s^{2}}\) G: A constant in Newton's equation of gravity; \(6.67\times 10^{-11}\frac{N\cdot m^{2}}{kg^{2}}\)
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the equation relating masses, a constant, and the distance between the …
Newton's universal law of gravitation
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what is the approximate orbital period of a geosynchronous satellite? o…
D. 24 hours
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multiple choice question a ball is being swung on a string. the arrow p…
C. force on the ball from the string
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select all that apply which statements are true about g in the equation…
- G is the same value everywhere in the universe. - G is essentially a conversion factor. - G has the value $6.67\times10^{-11}\frac{N\cdot m^2}{kg^2}$.
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fill in the blank question a change in the momentum of an object caused…
impulse
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multiple choice question what causes the total (net) momentum of a grou…
The action of an outside force
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the universal law of states that every object in the universe is attrac…
gravitation
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multiple choice question the equation shown represents _______. p = mv …
momentum
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matching question compare centripetal and centrifugal force by placing …
Centripetal force: It acts toward the center of the orbit Centrifugal force: It appears to act toward the outside of the orbit
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multiple choice question \whenever two objects interact, the force exer…
B. third
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true or false question. true or false. the moon orbits the earth in a c…
false
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multiple choice question two cars drive down a hill. one applies its br…
Only one car experiences an unbalanced (net) force.
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read these excerpts from \to roosevelt.\ which excerpt develops the the…
But our America which has had poets from the ancient times... which has consulted the stars, which has known Atlantis.... that America... lives.... The Spanish lion has set loose …
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introduction of (by spain) improved and for some tribes. trade with tri…
Introduction of **horses** (by Spain) Improved **weapons** and **tools** for some tribes. Trade with **American Indian** Tribes Tribes gained new goods such as **textiles**, metal…
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instructions impulse acceleration momentum velocity inertia the resista…
Impulse - A change in momentum Acceleration - A change in velocity Momentum - A quantity involving the inertia and velocity of an object Velocity - A change in position Inertia - …
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question which statement best expresses one possible theme of “to roose…
C. A people’s culture will withstand the interference of an outside force.
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fill in the blank question newtons law of inertia states that a moving …
1. velocity 2. force
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fill in the blank question how much inertia an object has is a function…
mass
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multiple select question select all that apply momentum (p) is the prod…
mass, velocity
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fill in the blank question newtons law of motion is that two interactin…
third
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fill in the blank question newtons second law of motion states that the…
inversely, directly
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1. summarize why did the kansas territory become known as “bleeding kan…
1. Pro - slavery and anti - slavery forces clashed violently over the slavery question. 2. It was seen as a threat to the South's way of life and institution of slavery. 3. The Su…
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question 4 2.5 p which of the following is not true of masaccios tribut…
The statement "Although Masaccio tried to create a convincing illusion of real life, the light in the painting does not align with the light from the windows in the Brancacci Chap…
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matching question match each law to its description instructions newton…
Newton's second law of motion - The acceleration of an object is proportional to the force applied and inversely proportional to the mass of the object. Newton's third law of moti…
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multiple choice question the arrow maintains a constant horizontal velo…
O there are no forces in the horizontal direction
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click and drag on elements in order. some unsupervised children are hav…
1. Pushing child exerts a force of 120 N; passenger plus cart is 40 kg 2. Pushing child exerts a force of 100 N; passenger plus cart is 50 kg 3. Pushing child exerts a force of 90…
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what happens to the kinetic energy of a falling book when the book hits…
A. is converted to heat and sound
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ignoring friction, compare the potential energy of a book on a shelf wi…
Both are exactly the same.
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10 what is the difference between a joule of work and a joule of energy…
C. A joule of work requires a joule of energy.
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from time to time, people claim to have invented a machine that will ru…
This violates the law of conservation of energy.
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why are petroleum, natural gas, and coal called fossil fuels? multiple …
They formed from organisms that lived millions of years ago.
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excerpt from less phone, more talk in our modern society, far too many …
designed to touch the audience's emotions
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a spring clamp exerts a force on a stack of papers it is holding togeth…
B. No, work requires a force to move through a distance.
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how much energy is consumed in one minute by a 100 w bulb? multiple cho…
C. 6000 J
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which of the following does not require work to be done? an increase in…
D. None of the answers are correct
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does a person standing motionless in the aisle of a moving bus have kin…
A. Yes, relative to the earth’s surface the person has velocity
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homework 1 question 4 of 17 (1 point) | question attempt 1 of 3 carry o…
Part 1: 28 Part 2: 0.0000307
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select the correct answer. a pen rolls off a 0.55 - meter high table wi…
C. 0.40 meters
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what is the relationship between the work done while moving a book to a…
D. The increase equals the work done.
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select the correct answer. a helicopter hovers 200.0 meters over the gr…
D. 6.4 seconds
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how is work related to energy? (check all that apply.) check all that a…
Energy is the ability to do work. You expend energy when you do work. When net work is done on something it gains energy.
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to determine if a drug has an effect on patient illness, a researcher g…
Experiment
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select the correct answer. a hot - air balloon is moving at a speed of …
D. 420 meters
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an untethered astronaut gently exits a spaceship which is moving throug…
A. No, both have the same relative velocity before and after leaving the spaceship.
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1 select the correct answer. which rhetorical strategy attempts to conv…
C. ethical appeal
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will a rocket launching from a space platform have a greater accelerati…
C. No, the forces are between the rocket and the exhaust gases.
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select the correct answer. a small airplane loses a bolt while travelin…
D. 3,750 meters
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select the correct answer. robert, a stuntman, projects himself from a …
B. 31.30 meters/second
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12 an untethered astronaut gently exits a spaceship which is moving thr…
No, both have the same relative velocity before and after leaving the spaceship.
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will a rocket launching from a space platform have a greater accelerati…
C. No, the forces are between the rocket and the exhaust gases
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select the correct answer. the current in a river is 1.0 meters/second.…
D. 300 seconds
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what force is needed to maintain the speed of an object if there is no …
C. none
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objects on the surface of each of the following bodies share the same w…
D. earth's moon
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select the correct answer. add these two velocity vectors to find the m…
A. 4.6 meters/second
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what variables determine your weight? multiple choice mass, gravity, an…
C. mass and gravity
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select the correct answer. the weight of an object, w, varies inversely…
D. 137.8 pounds
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bending your knees as you hit the ground after jumping from a roof mult…
D. extends the stopping time, which reduces the force.
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the crucible - act 3 (pages 94 - 111) assigned by michael whitehead due…
None of the above options accurately describe Danforth's character. But if forced to choose, based on his unjust actions, the closest negative trait among the options is that he i…
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select the correct answer. a jet plane is traveling with a velocity of …
C. 721 kilometers/hour in the direction of 3.2° west of north
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in which of the following is the net force zero? multiple choice force …
grocery basket moves in a straight line at a uniform speed
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select the correct answer. an airplane is traveling due east with a vel…
A. 7.8 × 10² kilometers/hour
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question 31 2.5 points save answer which of the following is an example…
all of the bears, wolves, elk, moose, aspen trees, lodgepole pine trees, and all other animals and plants in Yellowstone National Park
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5 which of the following involves an unbalanced force? 53 ints multiple…
a force acting between two objects results in the acceleration of one
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equations of motion in two dimensions: mastery test the magnitudes of t…
D. 14.48 meters/second
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what net force is needed to maintain the constant velocity of a car mov…
C. zero
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in the formula f = m . a, if f is 20 newtons and m is 5 kg, then a is v…
4 m/s²
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select the correct answer. if $v_x = 0.40$ meters/second and $v_y = 3.0…
A. 82°
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select the correct answer. if v = 5.00 meters/second and is inclined eq…
A. -3.53 meters/second
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select the correct answer. a sled travels 15 meters down a slope inclin…
B. 13.0 meters
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richard rides a bike on a road sloping downward and inclined at an angl…
B. 5.0 meters/second
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in the formula f = m . a, if f is 25 newtons and a is 5 m/s², then m wi…
5 Kg
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select the correct answer. if v = 5.00 meters/second and makes an angle…
A. -4.33 meters/second and +4.33 meters/second
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question 27 zebra mussels are an invasive exotic species that clog pipe…
A. are an invasive exotic species that clog pipes and cover boat propellers
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this quiz will include questions from all of the assignments in this le…
Timbre
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an anesthesiologist has ordered 1.2 \\(\\frac{mg}{kg}\\) of iv midazola…
59 mL/h
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this is the most complete and current model of the atom. it consists of…
The "Quantum Mechanical Model" of the atom
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which best describes how the great migration affected northern cities? …
Northern cities grew more diverse as African Americans shared their culture.
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multiple - choice question births usually go exactly as the mother plan…
false
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question 23 that all the energy of the universe remains constant, is co…
B. first law of thermodynamics
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question 57 which of the following statements about skeletal muscle is …
Question 57: None of the options are correct based on typical knowledge of skeletal muscle. Question 58: True
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which statement defines specific heat capacity for a given sample? the …
the quantity of heat that is required to raise 1 g of the sample by 1 °C (Kelvin) at a constant pressure
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whether or not a motor unit activates upon the arrival of an impulse de…
Question 55: True Question 56: Motor unit recruitment
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which defines the average kinetic energy of a systems particles? pressu…
temperature
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whether or not a motor unit activates upon the arrival of an impulse de…
1. all - or - none 2. True 3. motor unit recruitment
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a copper rod that has a mass of 200.0 g has an initial temperature of 2…
$0.385\ J/(g\cdot^{\circ}C)$
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question 1: who invented the mechanical mower - reaper? john deere, cyr…
Question 1: Cyrus McCormick Question 2: An ability for anyone with determination to succeed
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toxins and contaminants can move up the food web and organisms at highe…
A. Bioaccumulation
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6. what is the numerical value of the conversion factor 1km/1,000m? a. …
a. 1
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how can the power strip provide a physical model to help us understand …
A power strip can act as a simplified physical model to show how multiple electrical devices can be connected to a single power source, mirroring how different parts of the electr…
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a muscle or group of muscles opposing an action is called the: prime mo…
1. B. antagonist 2. False
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a 130. lb patient undergoing surgery will receive 7 mcg/kg of fentanyl …
8 mL
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a muscle or group of muscles opposing an action is called the: prime mo…
1. B. antagonist 2. B. False
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multiple - choice question can you still work out in the 3rd trimester?…
yes
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a muscle or group of muscles opposing an action is called the prime mov…
1. Antagonist 2. False
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an abandoned agricultural field transitions back to forest and sun - to…
Ecological succession
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level 4 which shows the correct pathway for nitrification? a. ammonium …
D. Both A and B
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which defines the average kinetic energy of a systems particles? pressu…
temperature
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question 49 the contractile unit of a muscle is the sarcolemma sarcomer…
Question 49: Sarcomere Question 50: Threshold Question 51: Biopsy
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a book is falling from the top shelf of a bookcase. which statement cor…
The potential energy decreases as kinetic energy increases.