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In a hydraulic jack, the pipe below the load has an area of 5 m2, and the pipe through which the input force transmits has an area of 0.1 m2. If the input force is 200 N, what is the output force in kN?
answered
Nov 26, 2019
Physics
high-school
1
vote
73.1k
views
Which of the following changed scientists' original thoughts about humans? A. Discovery of fossils of Dakota B. Discovery of Ötzi the Iceman C. Information from sand in the Gobi Desert D. Information in
answered
Oct 7, 2019
Social Studies
middle-school
1
vote
220k
views
Who was the first President of the United States?
answered
Jul 8, 2019
History
middle-school
1
vote
213k
views
Triangle XYZ is obtuse which list could represent the angle measures of triangle XYZ? A. 20 60 100 B. 30 60 90 C. 50 50 80 D. 60 60 60
answered
Jul 6, 2019
Mathematics
high-school
2
votes
216k
views
Please use the below balanced equation to answer this question. 2H2(g) + O2(g) -> 2H2O(l) How many grams of water will be produced if I have 83.4 liters of oxygen gas at STP? A) 48.65 grams H2O
answered
Feb 21, 2019
Chemistry
high-school
3
votes
138k
views
Aevery collects cans for recycling when he has a 1,000 cans, the recycling center will pick them up from the house Aevery has 80 bags with about 40 cans in each bag. should he call the recycling center
answered
Dec 23, 2018
Mathematics
college
6
votes
209k
views
In a chemical reaction, the total mass of the reactants is 10.0 grams. After the reaction, the total mass of the products must be: less than 10.0 grams. exactly 10.0 grams. exactly 20.0 grams. more than
answered
Sep 16, 2018
Chemistry
middle-school
3
votes
224k
views
1. Sam went for a ride on a sailboat. the ride lasted 3/4 hours' What fraction is equivalent to 3/4? 2. There are 4 shaded squares and 4 unshaded squares. Use this information to complete the number sentence
answered
Aug 16, 2018
Mathematics
middle-school
4
votes
72.5k
views
I really need help figuring this out can someone help please? it would. be greatly appreciated!!
answered
Jul 12, 2018
History
middle-school
4
votes
103k
views
Briefly explain the difference between orogenic and epeirogenic crustal changes.
answered
Apr 27, 2018
Biology
middle-school
1
vote
99.0k
views
Which best describes the bronze Age? A the period in which people first used metals regularly to manufacture weapons and tools B the period in which temperatures began to rise and plants and animals became
answered
Feb 22, 2018
History
middle-school
7
votes
106k
views
A pregnant woman tells the nurse, "i feel nauseated at the sight of meat." what specific response does the nurse give in relation to the patient's query?
answered
Feb 13, 2018
Biology
college
3
votes
38.7k
views
Unlike erythrocytes, leukocytes have a nucleus and do not contain hemoglobin. true or false
answered
Oct 6, 2017
Health
high-school
2
votes
176k
views
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