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A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground at a point 65 m horizontally away from and below the point of release. What is the speed of the ball just
answered
Aug 25, 2020
Physics
high-school
6
votes
219k
views
Which action is a reflex action. A. asking for coffe in a cold climate B. blinking when light is flashed in the eyes C. drinking water when thirsty. D. swallowing food E. taking an exam
answered
Apr 23, 2020
Biology
middle-school
4
votes
112k
views
How the expansion of railroads was is South Carolina different when compared to the expansion of rail throughout the United States. a. In South Carolina, standard time was introduced as a component of
answered
Feb 26, 2020
History
college
4
votes
20.6k
views
What is the effect of the author's choice to tell this story in the present tense? a.It allows readers to experience events at the same time that the characters experience it. b.It generates a clearer
answered
Dec 28, 2019
English
middle-school
1
vote
52.9k
views
Which nitrogenous base is part of an RNA molecule but not a DNA molecule?
answered
Mar 5, 2019
Biology
high-school
4
votes
167k
views
What safeguards did the founders put in place to guard against the excesses of majority rule?
answered
Feb 14, 2019
History
college
2
votes
53.1k
views
The revenue of leisure travel is given by f(x) dollars, where x is the dollar amount spent by the company on advertising. the amount spent by leisure at time t on advertising is given by g(t) dollars.
answered
Feb 14, 2019
Mathematics
high-school
5
votes
8.4k
views
Quais foram as principais dificuldades encontradas pelas expedições científicas do século 19
answered
Jan 9, 2019
Spanish
high-school
5
votes
104k
views
Zanqa has 9 rocks from a trip she puts an equal number of rocks in each of 3 bags howany rocks are.in each bag
answered
Dec 24, 2018
Mathematics
high-school
6
votes
1.6k
views
Is the sample representative of the population? population: chocolate consumers sample: surveys inside a company's chocolate bar wrappers that are completed and returned to the company A. representative
answered
Oct 8, 2018
Mathematics
middle-school
1
vote
169k
views
In the outsiders... While in church, what do Johnny and Ponyboy realize about themselves that makes them different from others they know? A. Ponyboy and Johnny like to watch sunsets and no one else does.
answered
Sep 29, 2018
English
high-school
6
votes
173k
views
What are 8 elements that are the major components to organic compounds in the environment?
answered
Jan 27, 2018
Chemistry
high-school
3
votes
82.7k
views
Given a set of 2x2 matrices, how can I determine if they span the vector space M22?
answered
Nov 30, 2017
Mathematics
high-school
1
vote
229k
views
I'm not understanding this question please help ?
answered
Apr 8, 2017
Mathematics
middle-school
3
votes
57.3k
views
Which of the following was a result of Gorbachev's support of Poland's Solidarity Union? a further collapse of the Soviet economy a partially free election in Poland victory for the communist party in
answered
Mar 5, 2017
History
high-school
3
votes
14.1k
views
What distinguishes atherosclerosis from arteriosclerosis? A. Arteriosclerosis can lead to blood clots. B. Atherosclerosis is characterized by plaque buildup. C. Arteriosclerosis results in inefficient
answered
Jan 28, 2017
Health
high-school
1
vote
114k
views
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