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A freight train leaving a yard must exert a force of 2530000 N in order to increase its speed from rest to 17 m/s. During this process, the train must do 1110000000 J of work. How far does the train travel?
answered
Jul 21, 2021
Physics
high-school
2
votes
164k
views
The function x = (3.0 m) cos[(4π rad/s)t + π/5 rad] gives the simple harmonic motion of a body. Find the following values at t = 3.0 s.(a) the displacementm(b) the velocity (Include the sign of the value
answered
Jul 19, 2021
Physics
college
4
votes
154k
views
Choose the word or words that would best complete the conversation. Pamela: Hola. ¿Cómo te llamas? ¿De dónde eres? Carolina: Hola. Yo soy Carolina. ________ Colombia.
answered
Jun 15, 2021
Spanish
high-school
5
votes
13.1k
views
Belsky, Weinraub, Owen, and Kelly (2001) reported on the effects of preschool childcare on the development of young children. One result suggests that children who spend more time away from their mothers
answered
May 2, 2021
Mathematics
college
6
votes
154k
views
What limits does the Constitution place on the right to free speech? A. The words uttered must be backed by at least one government official. B. The words uttered must not pose any clear and present danger
answered
Apr 17, 2021
Social Studies
high-school
4
votes
116k
views
The main reason people save during their working years is: a. a preference toward matching income with spending over time. b. a high time preference for the present. c. an expectation that they will die
answered
Mar 16, 2021
Business
high-school
3
votes
215k
views
Read the information in the brainstorming table. Beginning: First, I signed up to audition for a part in the school play. Middle: Then I recited my lines and sang a short solo for the chorus teacher. End:
answered
Mar 1, 2021
Social Studies
middle-school
6
votes
160k
views
Need help quick!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! A mountain climber is at an elevation of 10,000 feet. If she descends 2,000 feet a day, which equation would be used to show how many days it will take
answered
Dec 16, 2020
Mathematics
middle-school
1
vote
118k
views
Could you guys maybe help me?
answered
Nov 22, 2020
Mathematics
middle-school
3
votes
164k
views
Tables draw your attention to specific information in a spreadsheet. Please select the best answer from the choices provided T F
answered
Aug 19, 2020
Computers and Technology
middle-school
2
votes
34.2k
views
The lines s and t intersect at point R. What is the value of y? Enter your answer in the box (4y - 8) (79 + y)°
answered
Mar 9, 2020
Mathematics
middle-school
3
votes
80.3k
views
Part A: is repeating 0.571428 the decimal equivalent of 4/7? Explain your reasoning.
answered
Feb 26, 2020
Mathematics
college
5
votes
129k
views
Read the excerpt from Iqbal. My first impression was that he was handsome. Then I thought, No, he isn't really good-looking. But he had such eyes. They were sweet and deep and they weren't afraid. He was
answered
Nov 16, 2019
English
middle-school
5
votes
18.5k
views
Which of the following was not achieved in the Mauryan Empire under Asoka? The Empire's borders were expanded. The Empire enjoyed a golden age. Trade was strengthened. Peace and prosperity were promoted
answered
Sep 26, 2018
History
middle-school
7
votes
146k
views
What is an implication? A. Facts, examples, and details that reinforce the main idea B. The main idea of a piece of text C. A table or chart that helps you organize information D. A suggestion or indirect
answered
Jul 11, 2018
English
college
4
votes
165k
views
Order the group of quadratic functions from widest to narrowest graph. y=6x^2 y=-4.5x^2 y=-x^2
answered
Jan 7, 2018
Mathematics
high-school
4
votes
83.8k
views
What event began to bring western Europe out of the Dark Ages? a. the Crusades b. the Reconquista c. the Great Schism d. the 100 Years War
answered
Feb 12, 2017
History
high-school
5
votes
27.4k
views
What is 98.044 rounded to the nearest hundreths
answered
Jan 10, 2017
Mathematics
college
2
votes
122k
views
There is no difference between the question and hypothesis steps of scientific inquiry true or false
answered
Apr 2, 2016
Biology
high-school
4
votes
134k
views
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