Physik
Kinematik, Kraftanalyse, Elektrizität und Gleichungslogik.
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a lens is a curved transparent material that refracts light. concave le…
Refraction
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kinetic and thermal energy quick check a fisherman in a boat is drinkin…
The lake will have more total thermal energy, but the particles in the coffee will be moving faster.
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kinetic and thermal energy quick check what is kinetic energy? (1 point…
the energy of motion
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moving to another question will save this response. question 6 what is …
\(0.10\) rad/s
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which image correctly shows light passing through a concave lens? a b
B
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which lens is concave? a b
A
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nicotinic receptors are ________ and muscarinic receptors are ________.…
always excitatory; either excitatory or inhibitory
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mary accidentally ate poisonous mushrooms that contain muscarine. you w…
very fast heart rate.
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question 5 the earth takes slightly less than one day to complete one r…
\(7.292\times 10^{-5}\text{ rad/s}\) (the first option)
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a doctor places drops in the eyes to dilate the pupils for an examinati…
sympathomimetic, adrenergic activator
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2. calculate the oral dosages (show your work). a) order: 50 milligram …
a) \(5\) tablets b) \(40\) milliliters c) \(180\) milliliters
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a rock falls off a cliff and hits the ground after three seconds. the r…
\(9.8\ \frac{m}{s^{2}}\) (the third option)
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you pour hot coffee into a metal mug and leave it on your counter. whic…
B. Thermal energy will flow from the hot coffee to the mug and then to the surrounding air until all reach the same temperature.
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question 3 you are looking at a ferris wheel and observe that it is rot…
directed away from you
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muscarinic receptors are blocked by norepinephrine. are activated by ac…
are activated by acetylcholine.
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which statement best describes how velocity and acceleration are relate…
Acceleration is the rate of change of velocity.
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an increase in what property of an object causes its inertia to increas…
mass
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damage to the glossopharyngeal nerve would likely cause increase in hea…
a reduction in saliva.
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which of the following materials is typically used to line landfills an…
thick plastic liners
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question 2 a bicycle travels 141 m along a circular track of radius 30 …
\(4.7\space rad\)
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which method of dealing with hazardous waste involves plants? phytoreme…
phytoremediation
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amy gets up from her seat on a train to move closer to the front. just …
While Amy is walking, her body is in motion. When the train stops, because she's not buckled in, Amy continues to move forward due to inertia.
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phytoremediation is when plants are used to clean soil of toxic waste. …
The plants that now have the pollutant in them must still be disposed of somewhere.
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grammar education is freedom! the bodies of the string instruments, whi…
5. B. horses' tails 6. B. world's (Assuming the knife - related answer is based on the same possessive rules as above, if it's a possessive form question for 'knives' and 'blades'…
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which of the following disposal methods has the highest risk of contami…
open surface impoundments
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parasympathetic stimulation increases sweating. increases gastric motil…
increases gastric motility.
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what is the most environmentally-friendly way of dealing with hazardous…
not producing it at all
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parasympathetic functions include all of the following, except decrease…
dilation of the airways.
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almost 75 percent of all parasympathetic outflow travels along the ____…
vagus
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which statement is a scientifically accurate description of velocity? t…
The skier traveled downhill along the 80 - meter track to the finish line in just 3.5 seconds to win the competition.
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preganglionic fibers of parasympathetic neurons are present in all of t…
XII.
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sympathomimetic drugs might be used to increase gastric motility. decre…
dilate airways.
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which pieces of information are necessary to describe an objects motion…
position, direction, and speed
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which statement most completely describes an objects motion? o the rain…
The baby crawls 10 feet in 15 seconds toward the door.
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an inhaler used to treat airway constriction in asthma or allergy might…
activates β₂ adrenergic receptors.
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what was the hikers average velocity during part c of the hike? 10 km/h…
6 km/h west (the fourth option)
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which of the following is a sympathetic neurotransmitter that causes va…
dopamine
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drugs known as beta - blockers may be useful for treating excessive sal…
excessive heart rate.
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the more time between p waves and s waves: 2 points the stronger the ea…
- First question: The farther the earthquake - Second question: Antarctica used to be near the equator and have swamps
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which of the following would you expect to observe in a person who has …
decreased blood pressure
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why is the inner core a solid? not hot enough to melt the metal in the …
1. The pressure pushes it back into a solid. 2. They couldn't imagine how the continents could move.
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question 12. two cars, car a and car b, each moving at the same speed, …
A. Car A experiences a smaller average force than Car B because its crumple zones increase the collision time, while both cars have the same change in momentum.
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explain the difference between the focus and the epicenter of an earthq…
- First Question: The focus is underground where the earthquake happens and the epicenter is directly above. - Second Question: Because tectonic plates are moving, causing stress …
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the adrenal medullae secrete epinephrine and norepinephrine. renin. med…
epinephrine and norepinephrine.
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in the sympathetic nervous system, where are the preganglionic neurons …
thoracic and lumbar segments of the spinal cord
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if rocks can bend and stretch, but go back to their original shape, it …
First question: Elastic Deformity Second question: Plastic Deformity
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sympathetic preganglionic fibers are ________ and have ________ axons. …
short; myelinated
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which of the following is not a potential cause of bacterial contaminat…
Sanitizing knives
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question 11. baseball pitchers can throw baseballs up to 45 m/s. a catc…
A. If the catcher’s mitt moves toward the ball with a velocity in the opposite direction as the ball as the player makes the catch, the impulsive force will decrease. B. If the ca…
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a pedestrian narrowly avoids being hit by an oncoming car. he notices t…
the sympathetic division has stimulated the adrenal medullae.
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fill in the blank 12 points wegeners hypothesis of stated that earths c…
1. Continental Drift 2. Paleomagnetism 3. Plate Tectonics 4. Subduction 5. Pangaea 6. Magnetic Reversal
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a 2,000 kg truck moving at 15 m/s collides head - on and sticks to a 1,…
B. \(10\space m/s\)
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which of the following bacteria is associated with the \hamburger illne…
E. coli O157:H7
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a 2,000 kg truck is moving at 15 m/s and collides head - on with a 1,00…
D. \(5\space m/s\)
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which of the following is not a task haccp is designed to perform? esta…
B. Develop production goals
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question 8. a 3,000 kg car is moving at 20 m/s and collides with a 1,50…
A. \(13\space m/s\)
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question 7. two identical cars, each with a mass of 1,000 kg, are movin…
B. Car A - 5 m/s, Car B 10 m/s
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match the words to the definitions. each is only used once. convergent …
1. Secondary Wave 2. Divergent 3. Transform 4. Primary Wave 5. Convergent
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continental crust is made mostly of: 2 points basalt granite diorite an…
granite
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what landform is often created from a continental - continental converg…
1. mountains 2. on the seafloor
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changes in the central nervous system that accompany aging include all …
decreased lipofuscin accumulation.
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oceanic crust is made mostly of: 2 points basalt granite diorite andesi…
- Oceanic crust: basalt - Earth's layers: crust, mantle, core
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question 6. during training, a boxer is using a force sensor attached t…
B. The padding in the gloves causes a decreased force on the bag because the cushion increases the time interval of the impact.
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which of the following is not controlled by the ans? cardiovascular sys…
skeletal muscle system
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which of the following options correctly ranks the vehicles by increasi…
C. \(3;1;4;2\)
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the most destructive waves produced by an earthquake are: 2 points p - …
- First question: surface waves - Second question: plate boundaries
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which of the following options correctly ranks the vehicles by increasi…
C. \(3:1:4:2\)
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to support his hypothesis of continental drift, alfred wegener used the…
- First question: all of the above - Second question: focus
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korematsu united states (1944) upheld the constitutionality of what act…
Forced relocation and internment of Japanese Americans
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select the correct answer. how does the use of a basic hand tool like a…
A. It increases your level of physical activity.
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a car with a mass of 1,400 kg is moving at a speed of 30 m/s. the drive…
A. \(-42,000\space N\cdot s\)
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question 3. a rocket has a mass flow rate of 28,000 kg/s and an exhaust…
B. \(89,600,000\space N\)
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select the correct answer. how are progression and variation similar? ○…
A. Both state that changes in a routine are necessary for consistent gains.
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truck with a mass of 2,000 kg is initially at rest. it accelerates to a…
C. \(40,000\space N\cdot s\)
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select the correct answer. robyn has been working out five days a week …
C. reversibility
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select the correct answer. which career may be a good fit for you if yo…
D. registered dietician
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a soccer ball with a mass of 0.5 kg is kicked, changing its velocity fr…
A. \(5\space N\cdot s\)
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select the correct answer. which component of exercise primarily streng…
C. cardio
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10 select the correct answer. your friends invite you to go on vacation…
D. Set aside time to exercise while you vacation with your friends.
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select the correct answer. which scenario would most likely lead to a h…
B. More people walk to school or work.
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select the correct answer. kristina works out seven days a week. lately…
B. recovery
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select the correct answer. what must you do if you plan to exercise eve…
A. Arrange your day so that exercising is convenient.
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select the correct answer. what is the most significant benefit of exer…
A. physical fitness
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4 select the correct answer. during physical activity of high intensity…
D. 85%–100%
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short - answer: two charged objects are moved farther apart. what happe…
The electric force between them decreases. According to Coulomb's Law \( F = \frac{kq_1q_2}{r^{2}} \), when \( r \) (the distance between the charged objects) increases, since \( …
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select the correct answer. you want to participate in a new health - en…
D. Talk to an expert who has experience with the activity.
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if you are given a grade ranking at the end of a mission, its a form of…
1. Scoring system 2. Turns 3. Missions
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3 select the correct answer. in professional football, some players hav…
A. how technology has improved sports
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select the correct answer. cassie lives two miles away from school. whi…
B. riding a bicycle to school
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select the correct answer. what is the best possible way to verify clai…
C. the US Food and Drug Administration website
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2 select the correct answer. john had a stroke and is having difficulty…
C. physical therapist
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select the correct answer. which convenience reduces physical activity?…
A. car
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select the correct answer. paige ran four miles a day last week. this w…
A. It increased both her intensity and her workout time.
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4 select the correct answer. molly is jogging on the treadmill. after 2…
B. She should increase the intensity of her exercise.
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3 select the correct answer. ross is training for a half marathon, whic…
C. Ross's fitness level will diminish from what it was two months ago.
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select the correct answer. patrick is jumping rope to train for his nex…
D. transfer
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in 3 sentences, explain coulombs law and its importance.
Coulomb's Law is fundamental for understanding electrostatic interactions and calculating forces in electrical systems.
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select the correct answer. xavier goes to the gym several days a week a…
B. Set clear goals.
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2 select the correct answer. during physical activity of moderate inten…
B. 50% to 70%
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select the correct answer. sal is thinking about making a positive chan…
D. Sal should assess the risks, try to reduce them, and make the change.