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A student launches a small 0.5 kg rocket with an initial speed of 30 m/s at an angle of 60°. Approximately how much time will the rocket spend in the air? Air resistance is negligible.
answered
Mar 5, 2021
Physics
high-school
0
votes
220k
views
Which of the following is a perfect square trinomial? A. x + 10x + 20 B.x?+ 10x + 50 C.x + 10x + 25 D.x? + 5x + 10
answered
Jan 17, 2021
Mathematics
high-school
3
votes
12.2k
views
Can you reduce 47/2942
answered
Oct 4, 2020
Mathematics
middle-school
2
votes
40.7k
views
what is one reason that thomas piane brings up the opposing argument that the colonies have done well under brtitish control
answered
Aug 30, 2020
English
middle-school
2
votes
91.1k
views
Selena is graphing the inequality x <-2 She begins by drawing a number line and placing an open circle at –2. What’s Selena’s next step?
answered
Jul 16, 2020
Mathematics
middle-school
2
votes
72.2k
views
What are sound waves gathered by
answered
Mar 31, 2020
Physics
middle-school
4
votes
225k
views
10. Which condition would be a least likely indication for using an AED? a. Absence of a pulse b. Obstructed airway c. No evidence of the chest rising and falling d. Lack of responsiveness
answered
Mar 7, 2020
Health
middle-school
3
votes
6.2k
views
What does measurement mean
answered
Jan 2, 2020
Chemistry
middle-school
4
votes
141k
views
Find the number of real number solutions for the equation. x^2+0x-1=0
answered
Oct 8, 2019
Mathematics
high-school
1
vote
40.1k
views
Why should the government be able to take somebody's property without his or her consent? Give some examples of what you would view as legitimate uses of eminent domain.
answered
Jan 9, 2019
Social Studies
high-school
1
vote
28.6k
views
This song was used by both sides in the Revolutionary War to make fun of the other side. A. Pop Goes the Weasel B. Here We Go Round the Mulberry Bush C. Ring Around the Rosie D. Yankee Doodle Ethan Allen's
answered
Dec 29, 2018
History
high-school
4
votes
110k
views
Find the area of the shaded part. Rectangle CDEF has an area of 24^2.
answered
Sep 13, 2018
Mathematics
college
2
votes
83.8k
views
A survey of physicians in 1979 found that some doctors give a placebo to patients who complain of pain for which the physician can find no cause. If the patients' pain improves, these doctors conclude
answered
Jul 19, 2018
Mathematics
high-school
4
votes
19.5k
views
The leading cause of death for middle adulthood is
answered
Apr 11, 2018
Health
high-school
4
votes
153k
views
Hen preparing a specimen for observation with a compound microscope, it is important that the specimen is _____________.
answered
Mar 20, 2018
Biology
high-school
3
votes
53.0k
views
Fter a radioactive atom decays, it is the same element that it was before with no measurable change in mass. Which kind of decay has occurred, and how do you know?
answered
Oct 9, 2017
Chemistry
high-school
0
votes
29.7k
views
A cafe only sells two types of sandwiches, turkey and steak. The cafe charges $4 for turkey sandwiches and $6 for steak sandwiches. Last month, the cafe sold $4524 worth of sandwiches. The cafe sold a
answered
Jul 20, 2017
Mathematics
middle-school
2
votes
108k
views
What are two primary sources of energy that power living systems?
answered
Jul 16, 2017
Biology
high-school
2
votes
46.4k
views
Which numbers are a distance of 4 units from 7 on the number line
answered
Mar 14, 2017
Mathematics
middle-school
3
votes
276
views
Which one is not equal to the rest 12 yards 144 inches 36 feet
answered
Jan 1, 2017
Mathematics
middle-school
4
votes
195k
views
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