![subject](/tpl/images/cats/fizika.png)
Physics, 12.07.2019 13:30 Misterasomoe
Arocket moves upward, starting from rest with an acceleration of +29.4 for 3.98 s. it runs out of fuel at the end of the 3.98 s but does not stop. m/s2 how high does it rise above the ground?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:30
Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 18:00
Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 19:00
Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.
Answers: 1
You know the right answer?
Arocket moves upward, starting from rest with an acceleration of +29.4 for 3.98 s. it runs out of fu...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/biologiya.png)
Biology, 27.05.2020 06:57
![question](/tpl/images/cats/istoriya.png)
History, 27.05.2020 06:57
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.05.2020 06:57
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.05.2020 06:57