Physics, 17.12.2019 21:31 enevjordan
Two 4.0-kg blocks are tied together with a compressed spring between them. they are thrown from the ground with an initial velocity of 35 m/s, 45° above the horizontal. at the highest point of the trajectory they become untied and spring apart. about how far below the highest point is the center of mass of the two-block system 2.0 s later, before either fragment has hit the ground?
Answers: 3
Physics, 22.06.2019 02:10
How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7
Answers: 3
Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 08:50
You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?
Answers: 2
Physics, 22.06.2019 09:00
The material that keeps its new shape after it is stretched is called?
Answers: 1
Two 4.0-kg blocks are tied together with a compressed spring between them. they are thrown from the...
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