Physics, 09.10.2019 01:50, puppycity78
Amodel rocket is launched straight upward with an initial speed of 50.0 m/s. it accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 150 m. solve the following questions:
(a) what can you say about the motion of the rocket after its engines stop?
(b) what is the maximum height reached by the rocket?
(c) how long after liftoff does the rocket reach its maximum height?
(d) how long is the rocket in the air?
Answers: 2
Physics, 21.06.2019 22:40, kiaunarayne808
The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively
Answers: 2
Physics, 22.06.2019 06:30, robertrkumar1
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
Answers: 2
Physics, 22.06.2019 07:30, andreaisabela
Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
Answers: 2
Amodel rocket is launched straight upward with an initial speed of 50.0 m/s. it accelerates with a c...
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