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Larry uses a lever to lift a box. Where does inefficiency occur in the lever?(1 point) Responses where Larry applies force to the bar where Larry applies force to the bar under the feet of Larry under the feet of Larry where the box is placed where the bo...

1 year ago

Which is the best statement of the Law of Conservation of Energy?(1 point) Responses The amount of energy put into a simple machine should be conserved. The amount of energy put into a simple machine should be conserved. The amount of energy put out by a...

1 year ago

In 1–2 sentences, explain how to calculate the efficiency of a toaster.(2 points) Write like a fifth grader.

1 year ago

A student uses a pulley to lift a log. In 1–2 sentences, explain how she can calculate the pulley’s efficiency.(2 points) Write like a fifth grader.

1 year ago

In 1–2 sentences, describe an efficient simple machine.(2 points) Write like a fifth grader.

1 year ago

Multiple Choice Which of the following expressions is written in scientific notation? (1 point) Responses 73.4 times 10 Superscript 5 baseline Image with alt text: 73.4 times 10 Superscript 5 baseline 0.09 times 10 Superscript 7 baseline Image with alt te...

1 year ago

Multiple Choice Which of the following expressions is written in scientific notation? (1 point) Responses 73.4 times 10 Superscript 5 baseline Image with alt text: 73.4 times 10 Superscript 5 baseline 0.09 times 10 Superscript 7 baseline Image with alt te...

1 year ago

Which of the following is 0.0000000708 written in scientific notation? (1 point) Responses 7.08 times 10 Superscript negative 8 baseline Image with alt text: 7.08 times 10 Superscript negative 8 baseline 7.8 times 10 Superscript negative 8 baseline Image...

1 year ago

Question Which expression represents the largest number? (1 point) Responses 6.1 times 10 Superscript negative 7 baseline Image with alt text: 6.1 times 10 Superscript negative 7 baseline 4.1 times 10 Superscript negative 7 baseline Image with alt text: 4...

1 year ago

Which expression is equal to Start Fraction 1 over 8000 End Fraction written in scientific notation? (1 point) Responses 8 point 0 times 10 superscript 3 baseline Image with alt text: 8 point 0 times 10 superscript 3 baseline 1 point 2 5 times 10 superscr...

1 year ago

Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a times 10 Superscript n baseline? (1 point) Responses The value of a must be greater than or equal to 1 and smaller than 10. The value of...

1 year ago

Which number is equal to 7 left parenthesis 3.5 times 10 Superscript 4 baseline right parenthesis written in scientific notation? (1 point) Responses 24.5 times 70 Superscript 4 baseline Image with alt text: 24.5 times 70 Superscript 4 baseline 2.45 times...

1 year ago

A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision? (1 point) Responses 3 times 10 Superscript 3 baseline Image with alt text: 3 times 10 Superscript 3 baseline 3.2 times 10 Superscript 3 base...

1 year ago

Which statement identifies a way that an important component of the Portuguese Empire changed over time?(1 point) Responses The Portuguese gained territory in Asia by the nineteenth century. The Portuguese gained territory in Asia by the nineteenth centur...

1 year ago

Spanish, Portuguese, and British Quick Check 4 of 54 of 5 Items Question Which quote from this section assesses a long term impact of British rule.(1 point) Responses “...Poor farmers were oppressed by these high taxes. Meanwhile, political administrators...

1 year ago

Question Read this quote from the section: “In 1879 colonial authorities divided Zulu lands into 13 territories.” How could historians analyze this as a reason for lasting British victory in the Zulu Wars?(1 point) Responses Dividing the Zulu lands separa...

1 year ago

What information is needed to calculate the gravitational force of an object?(1 point) Responses the mass of the two objects the mass of the two objects the distance between the two objects the distance between the two objects the mass of the object and t...

1 year ago

Which of the following is true about the relationship between the gravitational force of Earth and the Moon?(1 point) Responses The Earth has no impact on the gravitational attraction of the Moon. The Earth has no impact on the gravitational attraction of...

1 year ago

A high school athlete is in the weight room training for wrestling season. He is trying to bench press a bar loaded with 100 kg. How much force must he exert to lift the loaded bar and overcome the force of gravity? Remember that a= 9.8 m/s 2 .(1 point) R...

1 year ago

Gravitational Force, Attraction, and Mass Quick Check 5 of 55 of 5 Items Question A group of extraterrestrial athletes travel from the Moon to Earth to train. How would the amount of force they exert to move change on Earth? (1 point) Responses The force...

1 year ago

How were the Korean people affected by Japanese imperialism?(1 point) Responses The Korean people were treated nicely by the Japanese empire. The Korean people were treated nicely by the Japanese empire. The Korean people were treated harshly by the Japan...

1 year ago

Identify the reasons Japan defeated China in the First Sino-Japanese War.(1 point) Responses Japan’s military was supported by Western imperialist powers. Because of this, Japan was able to overwhelm China during the First Sino-Japanese War. Japan’s milit...

1 year ago

Explain the outcome of the Opium Wars.(1 point) Responses The outcome of the Opium Wars were rebellions, such as the Boxer Rebellion. These gained Western support. The outcome of the Opium Wars were rebellions, such as the Boxer Rebellion. These gained We...

1 year ago

Imperialism In Asia Quick Check 5 of 55 of 5 Items Question Use the timeline to answer the question. 1842 – The Treaty of Nanking is signed between Great Britain and China. 1850 – Civil War Period begins. 1850 – Taiping Rebellion begins. 1856 – Second Opi...

1 year ago

Multiple Choice A song that switches back and forth between time signatures is in (1 point) Responses mixed meter. mixed meter. compound meter. compound meter. irregular meter. irregular meter. uneven meter.

1 year ago

Question Multiple Choice Look at the following rhythmic figure. This example would be performed as (1 point) Responses ta ta-di. ta ta-di. ta-a di. ta-a di. ta ki da. ta ki da. ta di-mi.

1 year ago

Question Multiple Choice Syncopation is (1 point) Responses a change in dynamics. a change in dynamics. a change in tempo. a change in tempo. a type of meter. a type of meter. rhythmic emphasis that falls between the beats.

1 year ago

Multiple Choice In an irregular meter, (1 point) Responses the beats vary in length. the beats vary in length. the time signature changes from measure to measure. the time signature changes from measure to measure. the rhythmic emphasis falls between the...

1 year ago

Multiple Choice Click on the play buttons below to listen to each audio sample. Which rhythm sounds syncopated? (1 point) Responses Image with alt text: Two measures of rhythm are written in four-four time. Each measure consists of one note with a filled...

1 year ago

Multiple Choice Choose the meaning of the bold word(s). Men hold me / formidable for guile in peace and war: / this fame has gone abroad to the sky’s rim. (from the Odyssey, Part I) (1 point) Responses ancient; agility ancient; agility intricate; courage...

1 year ago

Choose the meaning of the bold word(s). All ships’ companies / mustered alongside for the mid-day meal. (from The Odyssey, Part I) (1 point) Responses walked walked lined up lined up ran over ran over gathered

1 year ago

Choose the meaning of the bold word(s). "Circe, am I a boy, / that you should make me soft and doting now?" (from The Odyssey, Part II) (1 point) Responses needy needy adoring adoring weak weak imprudent

1 year ago

Choose the meaning of the bold word(s). He will not see his lady nor his children / in joy, crowding about him, home from sea; / the Sirens will sing his mind away / on their sweet meadow lolling. (from The Odyssey, Part II) (1 point) Responses rocking ro...

1 year ago

Choose the meaning of the bold word(s). “My lords, hear me: / suitors indeed, you commandeered this house / to feast and drink in, day and night, my husband / being long gone, long out of mind." (from The Odyssey, Part III) (1 point) Responses robbed robb...

1 year ago

Choose the meaning of the bold word(s). In that revelry amid his throng of friends / who would imagine a single foe—though a strong foe indeed— / could dare to bring death’s pain on him and darkness on his eyes? (from The Odyssey, Part III) (1 point) Resp...

1 year ago

Identify the choice that best describes the underlined word. Masako took Jonah’s woolen hat by mistake, thinking it was hers. (1 point) Responses first-person pronoun first-person pronoun second-person pronoun second-person pronoun reflexive pronoun refle...

1 year ago

Obesity is the condition of being significantly overweight. (1 point) Responses True True False

1 year ago

Test: Weight Control Test

1 year ago

Write a essay about Mehmed II was a really important guy and write like a fifth grader.

1 year ago

Write a 4 paragraph about Mehmed II was a really important guy and write like a fifth grader.

1 year ago

Add on to Mehmed II was a really important guy in Ottoman Empire history. He was born on March 30, 1432, in Adrianople, Thrace, which is now a part of Turkey. He became the sultan of the Ottoman Empire not once, but twice First, from 1444 to 1446, and the...

1 year ago

Russia and the United States Quick Check 2 of 52 of 5 Items Question Which statement best explains the causes leading to the emancipation of Russia’s serfs?(1 point) Responses The mounting pressure of public opinion that said serfdom and the Crimean War w...

1 year ago

Which statement best summarizes the U.S. foreign policy goals from the perspective of peacemaking?(1 point) Responses U.S. foreign policy in the Caribbean intended to retreat military forces to establish peace in the U.S. U.S. foreign policy in the Caribb...

1 year ago

Which statement about mass is correct?(1 point) Responses The mass in an object is variable. The mass in an object is variable. Mass is a force that attracts objects toward each other. Mass is a force that attracts objects toward each other. Mass is measu...

1 year ago

Which statement about gravity is correct?(1 point) Responses Gravity is a measure of an object’s matter. Gravity is a measure of an object’s matter. Gravity is a force that attracts objects with mass toward each other. Gravity is a force that attracts obj...

1 year ago

What is the simplified form of –9m–2n5 × 2m–3n–6? (1 point) Responses –18m5n –18 m 5 n negative 18 divided by the product m to the 5 n Image with alt text: negative 18 divided by the product m to the 5 n the product negative 18 m to the 6 divided by n to...

1 year ago

What is the simplified form of (3.25 × 103)(7.8 × 106) written in scientific notation? (1 point) Responses 2.535 × 1010 2.535 × 10 10 2.535 × 1018 2.535 × 10 18 2.535 × 1019 2.535 × 10 19 25.35 × 109

1 year ago

Question The size of a certain cell is 2.5 × 10–9 m. Another cell is 1.5 × 103 times larger. How large is the larger cell in scientific notation? (1 point) Responses 4 × 10–27m 4 × 10 –27 m 4 × 10–12m 4 × 10 –12 m 3.75 × 106m 3.75 × 10 6 m 3.75 × 10–6m

1 year ago

Write and Draft the summary for The Odyssey Part 1, The Odyssey Part 2, The Odyssey Part 3, or Orpheus and Eurydice. Remember to use your own words and to focus only on important information. And write like a fifth grader.

1 year ago

Which of the following statements about gravitational mass is true?(1 point) Responses Gravitational acceleration is irrespective of mass. Gravitational acceleration is irrespective of mass. Gravitational acceleration is always equal to mass. Gravitationa...

1 year ago

Which of the following statements best compares the experiences of China and Japan under imperialism?(1 point) Responses Both China and Japan were able to learn a lot from Western nations. Both China and Japan were able to learn a lot from Western nations...

1 year ago

Which of the following best describes why Ethiopia’s resistance to Italian imperialism was successful?(1 point) Responses Ethiopia was only valued by Italy to keep other Europeans from taking over more valuable African land. Ethiopia was only valued by It...

1 year ago

Which of the following statements best describes the British response to the Salt March?(1 point) Responses The British responded to the Salt March by only jailing those who committed acts of violence. The British responded to the Salt March by only jaili...

1 year ago

Multiple Choice Simplify. 5–1(3–2) (1 point) Responses 45 45 1 over 45 Image with alt text: 1 over 45 15–3 15 –3 152 15 2

1 year ago

Write in scientific notation. 0.0042 (1 point) Responses 42 × 10–2 42 × 10 –2 4.2 × 10–4 4.2 × 10 –4 4.2 × 10–3 4.2 × 10 –3 .42 × 10–4

1 year ago

Write in standard notation. 6.12 × 103 (1 point) Responses 6,120 6,120 612 612 61,200 61,200 61.2

1 year ago

Simplify. Write in scientific notation. 0.5(8 × 105) (1 point) Responses 8 × 55 8 × 5 5 4 × 55 4 × 5 5 8 × 105 8 × 10 5 4 × 105

1 year ago

Simplify. Write in scientific notation. (9 × 10–3)2 (1 point) Responses 8.1 × 10–5 8.1 × 10 –5 81 × 10–4 81 × 10 –4 81 × 10–3 81 × 10 –3 8.1 × 10–6

1 year ago

Evaluate one halfa–4b2 for a = –2 and b = 4. (1 point) Responses 2 2 one half Image with alt text: one half 3 3 4

1 year ago

Is the following statement always, never, or sometimes true? A number raised to a negative exponent is negative. (1 point) Responses always always never never sometimes sometimes

1 year ago

Simplify (4xy2)3(xy)5 (1 point) Responses 64x8y11 64 x 8 y 11 64x15y30 64 x 15 y 30 12x2y11 12 x 2 y 11 12x8y11

1 year ago

Simplify (2t–3)3(0.4r)2 (1 point) Responses 3.2r2 3.2 r 2 1.28 r squared divided by t to the negative 6 Image with alt text: 1.28 r squared divided by t to the negative 6 1.28 r squared divided by t to the 9 Image with alt text: 1.28 r squared divided by...

1 year ago