Physics, 15.01.2020 23:31 heavenwagner
Small rockets are used to make small adjustments in the speed of satellites. one such rocket has a thrust of 42 n. if it is fired to change the velocity of a(n) 83000 kg space craft by 71 cm/s, how long should it be fired? answer in units of s
Answers: 1
Physics, 21.06.2019 18:10
Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30ยฐ, 30 rad, and 30 rev,respectively?
Answers: 3
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesnโt, as machines are inefficient. d) no, it doesnโt, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
Answers: 2
Physics, 22.06.2019 11:00
Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line
Answers: 2
Small rockets are used to make small adjustments in the speed of satellites. one such rocket has a t...
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