Questions and answers by

Somethingishere

Questions (322)

How would you find the kinetic energy of a baseball when it hits a window?
1. 1 answer
2. 126 views
Which of the following describe how a student could use collaborative learning to investigate potential energy? More than 1
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2. 141 views
Which of the following describe how a student could use collaborative learning to investigate potential energy? More than 1
1. 1 answer
2. 75 views
A diagram is drawn showing a swing set with a swing pulled backward prior to release. The diagram shows how the swing will move
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2. 89 views
A roller-coaster is at the top of a 62-meter hill. The car and its passengers have a total mass of 1,088 kilograms. By the time
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2. 92 views
A roller-coaster car is at the top of a hill. The car and its passengers have a combined mass of 1,088 kilograms. If the hill is
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2. 64 views
What is the best description of one billiard ball hitting a second billiard ball?(1 point)Responses Kinetic energy in the second
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2. 140 views
Mr. Starr pushed a cart full of groceries to his car. After emptying the cart, he pushed it back to the store. He pushed the
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2. 75 views
A student fires a toy rocket into the sky. When does the rocket have the most potential energy?(1 point)Responses when the
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2. 189 views
Which object has kinetic energy?(1 point)Responses turtle resting on a log turtle resting on a log balloon rising in the sky
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2. 90 views
A racehorse is running at 42 miles per hour, equivalent to 18.8 meters per second. The horse and its jockey have a combines mass
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2. 76 views
An airplane carries 320 passengers from Phoenix to Los Angeles flying at an average speed of 490 miles per hour. On the return
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2. 162 views
An acorn rolls off a roof and falls to the ground. Which statement best describes the change in energy?(1 point)Responses The
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2. 91 views
A city gets its electricity from a dam, where water is stored in a reservoir. How does the water provide the city with its
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2. 110 views
Identify the type of irony found in Act IV, Scene 1, of Romeo and Juliet, when Paris meets Juliet at Friar Lawrence’s cell and
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2. 68 views
Identify the type of irony found in Act IV, Scene 1, of Romeo and Juliet, when Paris meets Juliet at Friar Lawrence’s cell and
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2. 113 views
In Act IV of Romeo and Juliet, what is Friar Lawrence’s advice to Juliet concerning her parents’ wishes that she marry
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2. 177 views
A goal of the African Union is to(1 point) Responses establish peaceful diplomatic relationships amongst all African countries.
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2. 123 views
According to the text, the growing demand for African slaves during the slave trade era motivated African leaders to(1 point)
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2. 63 views
Nelson Mandela's was elected president of ________ with the primary goal of __________________.(1 point) Responses Nigeria /
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2. 71 views
These countries were considered to be the only independent areas free from European control during the 1800s.(1 point) Responses
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2. 74 views
Which best illustrates the policy of apartheid?(1 point) Responses Friendly relations between the white regime and neighboring
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2. 115 views
What factor resulted in the depopulation of the African population beginning in the 17th century?(1 point) Responses There was
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2. 82 views
The conflicts between the Hutus and Tutsis resulted in an estimated half a million deaths in these two areas.(1 point) Responses
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2. 128 views
The origin and wave of political independence that swept across Africa first began in the(1 point) Responses 1950s. 1950s.
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2. 172 views
The energy that organisms use for supporting life processes such as movement and reproduction are released into the ecosystem as
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2. 75 views
Which statement is the most accurate regarding the first stage of photosynthesis?(1 point)Responses Radiant energy is converted
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2. 128 views
Where does the light-dependent stage of photosynthesis occur in the plant cell?(1 point)Responses cell membrane cell membrane
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2. 94 views
Evaluate this statement. Is it correct? Pick the option that has the best argument for/against this claim.“Anaerobic
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2. 95 views
In eukaryotes, cellular respiration takes place in the(1 point)Responses mitochondria. mitochondria. nucleus. nucleus. cellular
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2. 88 views
How do producers play a part in the recycling of matter?(1 point)Responses Producers make glucose in the absence of light.
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2. 124 views
A fungus is an example of a(1 point)Responses consumer. consumer. producer. producer. decomposer. decomposer. photosynthesizer.
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2. 71 views
Which statement is true?(1 point)Responses Anaerobic respiration produces glucose from lactic acid and energy. Anaerobic
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2. 90 views
Radiant energy is also called(1 point)Responses cellular energy. cellular energy. chemical energy. chemical energy. light
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2. 86 views
Questionf left-parenthesis x right-parenthesis equals 3x superscript 3 baseline minus 4x superscript 2 baseline plus 6 x and g
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2. 35 views
What is the simplified form of (4j2 + 6) + (2j2 – 3) ?(1 point) Responses 6j2 – 3 6 j 2 – 3 6j2 + 3 6 j 2 + 3 6j2 + 9 6 j
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2. 56 views
Which factors does an object’s potential energy depend on?(1 point)Responses the object’s mass and height the object’s
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2. 78 views
Nan’s suitcase is on a bench. The suitcase has a mass of 14 kilograms. Nan accidentally knocks the suitcase off the bench, and
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2. 74 views
A baseball is sitting on a raised bench. A player accidentally knocks the baseball off the bench. Which statement best describes
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2. 66 views
Nan’s suitcase has a mass of 14 kilograms. How much potential energy does it gain when she lifts it onto a bench that is 40
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2. 52 views
Which is the best description of potential energy?(1 point)Responses Only some objects have potential energy stored in their
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2. 146 views
What is NOT a characteristic of blank verse?(1 point) Responses rhyme rhyme a set meter a set meter a set foot
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2. 209 views
Use the following formula to find the efficiency of energy transfer between the harbor seal (2,500 Kcal) and a polar bear (375
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2. 182 views
Read the following statements about various species of plants and animals. Based on these statements, which one would most
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2. 128 views
Using the ten percent rule, determine how many kilocalories of energy the tertiary consumer tuna will receive.Algae Shrimp
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2. 192 views
Why is there less biomass at the top of the energy pyramid?(1 point)Responses Secondary and tertiary consumers have bigger
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2. 119 views
When a consumer eats a producer, 10 percent of the producer’s energy is passed on to the consumer trophic level. What happens
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2. 76 views
Which scenario shows how to use collaborative learning to explore potential energy?(1 point)Responses A teacher divides a class
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2. 133 views
Which statement best describes an object’s potential energy?(1 point)Responses The object’s mass and height determine its
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2. 193 views
The roof of an apartment building is 58 meters high. A water tank on the roof has a mass of 38,000 kilograms. What is the
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2. 90 views
In a baseball game, Joseph hits a ball to the outfield. When does the ball have the most potential energy?(1 point)Responses
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2. 164 views
Which is the equation for an object’s potential energy?(1 point)Responses PE=mg^2h Upper P Upper E equals m g squared h
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2. 148 views
Which is the equation for an object’s potential energy?(1 point)Responses PE=mg2h Upper P Upper E equals m g squared h
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2. 174 views
All of the following are true statements regarding the Sahara except(1 point) Responses the Sahara is the largest desert in
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2. 157 views
Why are there less secondary consumers in an ecosystem than producers?(1 point)Responses There is less land to use for habitat
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2. 157 views
The incomplete burning of _____ in gasoline is known to create black carbon and contribute to global warming.(1 point)Responses
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2. 105 views
How does biomass change from lower to higher trophic levels?(1 point)Responses It increases. It increases. It fluctuates. It
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2. 122 views
Suppose a plant is eaten by a mouse, the mouse is consumed by a snake, and the snake is in turn consumed by a hawk. What could
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2. 96 views
Which of the following describes the amount of organic material that is available for transfer to the next trophic level after
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2. 116 views
The doctor says that Lydia’s baby has a disorder caused by one single gene. What does the baby MOST likely have?(1 point)
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2. 171 views
Sam is writing a report on asthma and allergies. What is the MOST accurate way to categorize these two ailments?(1 point)
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2. 192 views
Which of the following is NOT one of the themes of the play?(1 point) Responses Good intentions always yield good results. Good
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2. 157 views
What is the downfall of the hero in a tragedy?(1 point) Responses the actions of the villain the actions of the villain his own
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2. 115 views
A student rolls two marbles down an inclined plane. One marble has a mass of 4.8 grams. The student calculates its kinetic
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2. 148 views
A hawk is chasing a sparrow. At the beginning of the chase, the hawk’s kinetic energy is 5.1 Joules. At the end of the chase,
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2. 109 views
A softball player hits a ball at 78 miles per hour. Then she hits a ball at 80 miles per hour. Which is the best prediction?(1
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2. 122 views
Two city buses are traveling at 24 miles per hour. The buses are the same model and year. One bus has 30 passengers. The other
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2. 139 views
Suppose a population of 160 crickets doubles in size every month. The function f left parenthesis x right parenthesis equals 160
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2. 103 views
How could you use creative thinking to show the relationship between velocity and kinetic energy?(1 point)Responses Research a
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2. 111 views
Mark is conducting an experiment to show how an object’s kinetic energy is affected by its mass and velocity. First, he lets
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2. 138 views
A student rides her bicycle down a hill. Together, she and the bicycle have a mass of 56 kilograms. She is moving at 11 meters
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2. 85 views
A comet speeds up as it approaches the Sun. Which statement about its kinetic energy is correct?(1 point)Responses The comet has
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2. 131 views
Which is the equation for an object’s kinetic energy?(1 point)Responses KE=2mv^2 KE=1/2mv^2 KE=2m^2v KE=1/2m^2v
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2. 102 views
What is the relationship between matter and energy in an ecosystem?(1 point)Responses Matter and energy are cycled through the
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2. 78 views
Which of the following is the first trophic level in every ecosystem?(1 point)Responses tertiary consumer tertiary consumer
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2. 85 views
Taj incorrectly states that autotrophs are also known as consumers that need to feed on other organisms, including plants and
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2. 104 views
What is the main difference between food chains and food webs?(1 point)Responses Food webs do not show connections between
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2. 216 views
What is the difference between a detritivore and a decomposer?(1 point)Responses While detritivores consume animals, decomposers
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2. 174 views
Which scenario shows an object gaining potential energy and losing kinetic energy?(1 point)Responses roller-coaster car slowing
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2. 76 views
Teresa wants to explore the relationship between kinetic energy and potential energy. How could she use innovative
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2. 115 views
Which object has kinetic energy?(1 point)Responses soccer ball flying through goalposts soccer ball flying through goalposts
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2. 113 views
Which statement about energy is correct?(1 point)Responses Energy can be classified as one of three types: potential energy,
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2. 64 views
When speaking of nuptials, what is being discussed?(1 point) Responses money money a wedding a wedding a birth
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2. 89 views
In Act I of Romeo and Juliet, who wants to marry Juliet?(1 point) Responses Mercutio Mercutio Benvolio Benvolio Paris
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2. 104 views
What does the Prince declare at the end of Act I, Scene 1 in Romeo and Juliet?(1 point) Responses He declares that any Capulet
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2. 63 views
Identify the type of dramatic speech that is given by one character addressing other character(s) for a relatively long amount
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2. 176 views
What does an aside and the chorus have in common?(1 point) Responses They both sing. They both sing. They are both forms of
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2. 163 views
Select the word that is a synonym of forfeit.(1 point) Responses penalty penalty surplus surplus augment
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2. 142 views
In Act I of Romeo and Juliet, why does Romeo wish to attend a party at a Capulet’s house?(1 point) Responses because Juliet is
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2. 100 views
Which of the following is NOT a major point of view?(1 point) Responses first-person first-person third-person third-person
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2. 125 views
Which is NOT one of the differences between literary works and dramatic works?(1 point) Responses Dialogue is used. Dialogue is
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2. 121 views
When did William Shakespeare live?(1 point) Responses in the late 1400s and early 1500s in the late 1400s and early 1500s in the
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2. 131 views
The concept of establishing a United States of Europe in order to restore economic prosperity following the war was proposed by(
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2. 159 views
The collective focus of the European Steel and Coal Community was to(1 point) Responses build military machinery and weapons
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2. 156 views
Which scenario would be the most problematic, considering the limited usage of the euro?(1 point) Responses A German family
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2. 186 views
The creation of a single European market would(1 point) Responses promote competition, which would lower prices and improve
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2. 65 views
The steel and coal industries of which two countries did not help restore Europe's economic prosperity following World WarII?(1
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2. 195 views
The steel and coal industries of which two countries did not help restore Europe's economic prosperity following World WarII?(1
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2. 177 views
Which of the following terms best characterizes the EU’s economy?(1 point) Responses mass market mass market single market
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2. 290 views
This country’s steel and coal industries were shut down following World War II.(1 point) Responses Germany Germany the Soviet
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2. 148 views

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