subject
Physics, 25.12.2019 20:31 zairaefh6496

Arocket is continuously firing its engines as t accelerates away from earth. for the first kilometer of its ascent, the mass of fuel ejected is small compared to the mass of the rocket. for this distance, which of the following indicates the changes, if any, in the kinetic energy of the rocket, the gravitational potential energy of the earth-rocket system, and the mechanicel energy of the earth-rocket system?

a. rocket kinetic energy-increasing system gravitational potential energy-increasing system mechanical energy-constant
b. rocket kinetic energy-decreasing. system gravitational potential energy-increasing sysem mechanical energy-constant
c. rocket kinetic energy-increasing system gravitational potential energy-decreasing sysem mechanical energy-decreasing
d. rocket kineic energy-increasing system gravitational potential energy nreasing syste mechanical energy-increasing

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 22.06.2019 02:30, jamesnoro
Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.
Answers: 2
image
Physics, 22.06.2019 08:30, fernandoramirez086
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
image
Physics, 22.06.2019 19:00, opgbadwolf5
The law of reflection states that the angle of reflection is equal to the angle of
Answers: 1
image
Physics, 22.06.2019 23:00, harlon852
In which of these cases are the two wave points considered to be in phase with each other?
Answers: 1
You know the right answer?
Arocket is continuously firing its engines as t accelerates away from earth. for the first kilometer...

Questions in other subjects:

Konu
Mathematics, 31.05.2021 20:50
Konu
Mathematics, 31.05.2021 20:50
Konu
Mathematics, 31.05.2021 20:50