I have spent a significant amount of time with many deep and profound questions since my childhood.The questions mentioned below are the questions having a background of physics (rest questions are knowingly excluded, hoping to put forward in other writing):
1.Consider a spaceship moving in free space with uniform speed.Now imagine that some packet of energy gets transferred to the spaceship via some external source.This will cause increase in the mass of spaceship by an amount (=E/C^2). Does this alter any change in the speed of spaceship?
2.It is an Obvious fact that we can slow down the time of any body by making it move closer to the speed of light .But is it possible speed up any body's time with reference to a particular frame of reference in any way?
3.I have often experienced that if there are two bodies moving along with each other in an inertial system at constant speed such that there is constant relation between their motions which depends on their motional behavior, then any of the body among these two must be able to determine its path of propagation and condition and manner of its own motion or dynamics merely by comparing it with the other body's motion and dynamics in space.Is it possible and true or my imagination?
4.If both mass and energy are interchangeable then can we define mass as a condensed form of a definite amount of energy?
5.If gravity is a force or spacetime curvature, imagine that suddenly sun's mass increases causing more gravity due to it,so will it affect earth's motion immediately or take some time (for instance,this information may move to earth at speed of light)??
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