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A copper rod is given a sharp compressional blow at one end. The sound of the blow, traveling through air at −1.34 ◦C, reaches the opposite end of the rod 3.18 ms later than the sound transmitted through
answered
Aug 2, 2020
Physics
high-school
4
votes
80.8k
views
3. A 0.750-L container containing gas at a temperature of 21.3º C is transferred to a flask with a volume of 0.250-L. Assuming there is no change in pressure during or after the transfer, what is the temperature
answered
Mar 17, 2020
Chemistry
middle-school
1
vote
218k
views
What’s the distance for someone that drove 60 miles for 12 hours
answered
Mar 16, 2020
Mathematics
middle-school
4
votes
118k
views
What kind of government did the delegates want to set up?
answered
Dec 14, 2019
History
high-school
1
vote
161k
views
if you throw a rubber ball toward the ground at an angle, it will bounce up feom the ground at the same angle. find the unknown angle measure in the drawing at the right.
answered
Sep 25, 2019
Mathematics
college
3
votes
167k
views
This battle eliminated Persian influence in Greece and Athens. Marathon Iona Thermopylae Salamis Bay
answered
Jul 29, 2019
History
high-school
6
votes
88.5k
views
Who was the 30th President in the United States?
answered
Apr 12, 2019
Social Studies
middle-school
4
votes
5.7k
views
Mr lim had 3kg of sugar . He divided the sugar into 5 equal amounts.what is the mass of eacy amount of sugar give your answer as a fraction
answered
Feb 24, 2019
Mathematics
middle-school
5
votes
85.2k
views
Match the nitrogenous base of RNA with its complement 1) ACUGGAU 2)GCGUACA 3)CGGUUAA 4)AAUGGCC 5)AUUGCGU a) UUACCGG ..b) UAACGCA.. c) CGCAUGU ...d) UGACCUA .. d) GCCAAUU
answered
Nov 27, 2018
Biology
high-school
2
votes
58.8k
views
If the surface area of a cube is 600 cm2, what is its volume? 200 cm3 600 cm3 800 cm3 1,000 cm3
answered
Sep 18, 2018
Mathematics
high-school
4
votes
199k
views
Manipulate the following equation to solve for t: s=1/2 at^2
answered
Jun 15, 2018
Physics
high-school
2
votes
70.9k
views
If a 36-inch yardstick cast a 21-foot Shadow how long is a building whose Shadow is 168 ft?
answered
Jun 8, 2018
Mathematics
middle-school
4
votes
139k
views
Julio is paid 1.3 times his normal hourly rate for each hour he works over 29 hours in a week. last week he worked 35 hours and earned $456.32
answered
May 4, 2018
Mathematics
high-school
2
votes
173k
views
How did social Darwinism fuel expansionism?
answered
Apr 9, 2018
History
high-school
6
votes
171k
views
What is 234% of a dollar
answered
Nov 17, 2017
Mathematics
middle-school
4
votes
114k
views
The study of classical texts caused humanists to focus on what subject
answered
Sep 19, 2017
English
high-school
3
votes
63.8k
views
What was the role of Confucianism in the Qing Dynasty? a.one of many state-endorsed religions b.a faith based on personal empowerment c.a rigid system of control d.an outlawed practice
answered
Jan 24, 2017
English
high-school
4
votes
143k
views
Large industrial use of wind energy _____. A.) is practical anywhere there is wind B.) is restricted to localized areas of consistent wind C.) cannot be developed anywhere
answered
Sep 24, 2016
Biology
high-school
7
votes
191k
views
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