Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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claim: \turning a magnet upside down changes how strongly it pulls on m…
The evidence is NOT strong to support the claim. In both Test 1 and Test 2, the magnet attracts the same number of metal paper clips, proving that flipping the magnet upside down …
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action and reaction forces 15 n a box is sitting on a table. if the box…
15 N upward
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what does the case of plessy v. ferguson demonstrate about the supreme …
the Court's ability to interpret the Constitution
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a boat floats on top of the ocean. if the boat exerts 4000 n of force d…
4000 N Up
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a student places two magnets close together. the magnets attract, but w…
B. The orientation of poles changed relative to each other
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a standing deer exerts 780 n of force downward onto the ground. what fo…
780 N upward
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a group claims that \stronger magnets always repel more than weaker mag…
Move strong magnets farther apart
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earth’s magnetic field protects the planet from solar particles. which …
B. Using iron filings to visualize magnetic field lines bending around a magnet
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vegetation complete the following to prepare to select a site based on …
B. broadleaf evergreen forest
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a test shows strong repulsion between two magnets. the student wants to…
Keep magnets in the same orientation but switch one magnet to a weaker one
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suppose that layla is a diligent hard - working fourth - year college s…
120 ### Second Question: Marginal Gain from 9:00 AM to 10:00 AM
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a student builds a \launcher system\ in the simulation. the weak magnet…
C. Pole orientation changes the direction of magnetic force
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question 6 (mandatory) (1 point) the depth of water at a point is perio…
a) troughs
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two students argue about why two magnets suddenly repelled each other d…
B. The orientation of one magnet was reversed before release
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a student wants to test how distance affects magnetic force strength. t…
C. Two variables were changed at the same time
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17. the climate zone of soccer matches held in the city of buenos aires…
humid subtropical
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16. which two climate zones are the largest in south america between 10…
C. tropical wet and dry, D. tropical wet
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warm - up exercises exercise 1: in a boat race, lina took a big lead an…
Exercise 2: $64\ \text{km/hour}$ Exercise 3: $\approx 10.7\ \text{seconds}$ Exercise 4: $884\ \text{meters}$ Exercise 5: $1430\ \text{m/s}$ *(Note: Exercise 1 text is illegible an…
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a bike is a system. which of the following is a surrounding of this sys…
The ground
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a bike is a system. which of the following is a part of this system? th…
The chain
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a house is a system. which of the following is a surrounding of this sy…
The weather
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a house is a system. which of the following is a part of this system? t…
The door
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what is the correct definition of muscular strength? ○ the percentages …
The correct option for the definition of Muscular Strength is: ability of a muscle or group of muscles to perform repetitive contractions against a force for an extended period of…
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14. 10. examples of a moderate physical activity are? (1 point) * a. wa…
a. Walking and dancing
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13. 9. all are examples of fitness action plan guidelines except? (1 po…
c. If it gets too hard-quit
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12. 8. the ability to carry out daily tasks easily and have enough rese…
b. Physical fitness
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permit exam multiple choice choose the answer that best describes the l…
B. Traffic moving in opposite directions, no passing.
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8. 4. includes providing accurate health information and teaching healt…
a. Health education
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permit exam multiple choice image of a yellow diamond - shaped road sig…
A. This is a warning sign.
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7. 3. refers to a persons capacity to learn about and understand basic …
d. health literacy
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6. 2. is a nationwide health promotion and disease prevention plan desi…
c. Healthy people 2020
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5. 1. taking action to influence others to address a health - related c…
b. Health advocacy
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w = 64.4 n w = 399 n how many times heavier is this person on uranus th…
6.20 times as heavy
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acceleration due to gravity on uranus is 8.87 m/s². what does a 45 kg p…
399 N
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acceleration due to gravity on ganymede (a moon of jupiter) is 1.43 m/s…
64.4 N
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w = 22 n (pluto image) w = 27 n (triton image) how many times heavier i…
1.2 times as heavy
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hydroperiod determines which of the following? health of wetland area s…
Health of wetland area
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acceleration due to gravity on pluto is 0.62 m/s². what does a 35 kg pe…
22 N
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select the areas where wetlands typically occur. □ flood plains □ in ar…
A. Flood plains C. Low areas D. Water table is near the surface
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anaerobic is best described as which of the following? ○ high in oxygen…
C. Low in oxygen
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acceleration due to gravity on triton (a moon of neptune) is 0.78 m/s².…
27 N
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which of the following is not considered a substrate? rocks sand plants…
Plants
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unit exam - forces a 52 kg mass is pushed across a carpeted floor with …
$-6.0$
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a 15.0 kg bike is moving with a force of 125 n. there is a -20.0 n forc…
\( +7.00 \) (or \( 7.00 \))
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a fish applies 14 n of force north (up) to swim through a current. in w…
South (down)
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a fish uses 14 n of applied force to swim through the water. what type …
viscous friction
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a drone lifts up into the air with an applied force of 67 n. what type …
air friction
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a rock accelerates at -3.0 m/s² when a net force of -180 n is exerted o…
\( 60 \)
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a 15.0 kg chair has a net force of -120 n exerted onto it. what is the …
\(-8.0\)
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2b. calculate cart 1s change in momentum. known\tcart 1 \t\tm₁ = \t\tvᵢ…
To solve for the change in momentum of Cart 1 (and similarly for Cart 2), we use the formula for change in momentum: ### For Cart 1: # Explanation: ## Step 1: Recall the formula f…
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2. cart 1 (m = 14 kg) is moving with a velocity of +1.5 m/s when it col…
The velocity of both carts after the collision is approximately \( \boldsymbol{0.90 \, \text{m/s}} \) (or \( \approx 0.898 \, \text{m/s} \))
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what is the net force on the object below? 95 n → □ ← -111 n 16 n left …
16 N Left
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1b: what is cart 2s change in momentum? explain how you know. (clue: go…
To find cart 2’s change in momentum, use the **conservation of momentum** (or Newton’s third law): $\boldsymbol{\Delta p_2 = -\Delta p_1}$, where $\Delta p_1$ is from the "stamp" …
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what is the net force on the object below? 62 n → □ ← -29 n 91 n left 9…
33 N Right
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unit exam - forces you toss a 1 kg ball upward with 20 n of force. whic…
The third force diagram (with the 20 N force arrow pointing upward from the 1 kg ball) is correct.
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match the pretrial motions with their correct descriptions. motion for …
1. motion for a bill of particulars → helps the defense obtain a list of items that the prosecution plans to present as illegal 2. motion for discovery → requests the judge to mak…
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a force of 38 n is applied downward onto a desk of 70 kg. which of the …
The third force diagram (with a downward arrow labeled 38 N on the 70 - kg desk) is correct.
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which object requires the most force to overcome its inertia? 200 kilog…
3,100 kilogram elephant
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arrange the steps of the pretrial process in the correct sequence. prel…
1. initial appearance 2. preliminary hearing or grand jury 3. arraignment 4. plea bargaining 5. pretrial motions 6. jury selection
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which object requires the most force to overcome its inertia? 20 kilogr…
90 kilogram dresser
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a rope is attached to a boat on a pier. what force keeps the boat from …
contact force
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a rope is attached to a boat on a pier. what force keeps the boat from …
contact force
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1. cart 1 (m = 9.0 kg) accelerates from 1.0 m/s to 2.5 m/s after experi…
The change in momentum of cart 1 is \( 13.5 \, \text{kg·m/s} \). ### 1B Solution:
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video: https://youtu.be/ko4q5be9uck?si=nhnceqlpxcpmnpri video observati…
- Car 1 momentum: \( \boldsymbol{50000 \, \text{kg·m/s}} \) (to the right) - Car 2 momentum: \( \boldsymbol{-50000 \, \text{kg·m/s}} \) (or \( 50000 \, \text{kg·m/s} \) to the lef…
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on earth, a plastic ball was dropped from two different heights. the sp…
B. 8 meters per second ### Second Sub - Question (Since the graph is not shown, we can't provide a detailed answer. But if we assume a common scenario for a falling object's speed…
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5. jack is fishing on a boat. the boat he is standing on is 2.75 feet a…
6.25 feet
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biodiversity online practice complete this assessment to review what yo…
Ecological resilience is similar to a person recovering from the flu.
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read the passage. in \heart of darkness,\ marlow, the protagonist, narr…
It slowly builds tension as the reader experiences events that are increasingly disturbing
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m₁vᵢ + m₂vᵢ = m₁vᵣ + m₂vᵣ do now cart 1 (m = 13 kg) is traveling with a…
\(-20\space kg\cdot m/s\) ### Part b
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4. find the surface area of the cone in terms of π.
$85\pi \, \text{cm}^2$
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part i. multiple choice & multi select select the best answer(s) for ea…
b. \( y =-\frac{2}{3}x + 4 \), e. \( y + 1=-\frac{4}{6}(x + 5) \) ### Question 2
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type your answer and then click done. the radius of the base of a cone …
660π m²
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question 8 3 points which graphs represent deceleration (a decrease in …
Graphs 2 and 3 (the second option: "Graphs 2 and 3")
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3. the frictional force opposing a 85.8 kg washing machine being pulled…
Work done by applied force: \( \approx 1.95 \times 10^3 \, \text{J} \) Work done by frictional force: \( \approx -1.50 \times 10^3 \, \text{J} \) ### Problem 4
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a flexible container holds 5.30 liters of nitrogen gas ($ce{n_2}$) at $…
$41.2$ °C
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11. what disturbing news does adams learn from the phone call? a) his m…
11. c) He died in a car accident 12. b) Fear 13. b) Fate and death 14. b) Suspenseful and eerie
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question 36(multiple choice worth 3 points) (lesson 8.3 lc) periodic tu…
D. all of the above
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question 34 (multiple choice worth 3 points) (lesson 4.3, lesson 9.5 lc…
C. is dangerous for you and others because it may slow your reaction time and the ability to make rapid corrective actions while driving (assuming the third option is labeled C; a…
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a balloon containing nitrogen gas (n₂) has a volume of 12 liters at 300…
13 liters
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question 33(multiple choice worth 3 points) (lesson 2.4 lc) motorcyclis…
D. all of the above
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question 32(multiple choice worth 3 points) (lesson 4.2 lc) if you are …
D. pull off the road immediately to rest
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question 31(multiple choice worth 3 points) (lesson 2.2 lc) pedestrians…
B. roadway users
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question 30(multiple choice worth 3 points) (lesson 8.3 lc) what are th…
D. All of the above
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question 29(multiple choice worth 3 points) (lesson 5.4 lc) a properly …
B. fits snugly across the hips and comfortably across the chest
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question 27(multiple choice worth 3 points) (lesson 7.5 lc) you are dri…
A. block other vehicles moving at normal safe speeds
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question 23(multiple choice worth 3 points) (lesson 6.2 lc) when two ca…
C. The car that arrives second
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general farming use the information below to answer the question. farme…
the farmers themselves
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question 22(multiple choice worth 3 points) (lesson 6.4 lc) the tailgat…
B. result in the tailgater hitting you from the rear
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general farming use the information below to answer the question. farme…
C. public speaking
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general farming use the information above to answer the question. farme…
B. repairing farm equipment
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general farming (description about farmers work, training, equipment, a…
A. being prepared for all weather conditions
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question 18(multiple choice worth 3 points) (lesson 7.5 lc) in order to…
D. stay to the right if you are traveling slower than the rest of the traffic
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general farming use the information below to answer the question. farme…
irrigation systems
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question 15(multiple choice worth 3 points) (lesson 4.3, lesson 9.5 lc)…
D. always have the potential to make a person drowsy and impair driving abilities
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question 14(multiple choice worth 3 points) (lesson 2.3 lc) drivers mus…
A. three
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question 12(multiple choice worth 3 points) (lesson 5.2 lc) identify th…
A. Brake pedal
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question 11(multiple choice worth 3 points) (lesson 5.2 lc) if the temp…
A. Stop as soon as you can at a safe place and shut the engine off
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1. assessment: which detail from the text best demonstrates how labelin…
B. "Bandura found students were more apt to deliver what they believed were increased levels of electrical shock to the other students if they had heard them called 'animals.'" (P…
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question 9(multiple choice worth 3 points) (lesson 4.5 lc) who is an at…
C. A driver who is aggressive in traffic
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multiple-choice question the economy of the north was based on paid lab…
B. The cotton gin