- #1
futurphy
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Hi guys, i need help for homework, it seems easy, but i can't do it, no calculation to do only writing 2D coordinates in different frames.
The hallmark of an inertial frame is that any object which is subject to zero net force will travel in a straight line in a constant speed. to illustrate this, consider the following: I am standing on a level floor at the origin of an inertial frame S and kick a frictionless puck due north across the floor. (a) write down the x and y coordinates of the puck as functions of time as seen from my inertial frame. (Use x and y pointing east and north respectively). Now consider two more observers, the first at rest in a frame S' that travels with constant velocity v due to east relative to S, the second at rest in a frame S'' that travels with constant acceleration due east relative to S at that same moment). (b) Find the coordinates x' and y' of the puck and describe the puck's path as seen from S'. (c) Do the same for S''. Which of the frames is inertial?
2. The attempt at a solution
for the frame S : x(t) = 0 and y(t) = v(0).t
for the frame S' : looks like a translation from S
Homework Statement
The hallmark of an inertial frame is that any object which is subject to zero net force will travel in a straight line in a constant speed. to illustrate this, consider the following: I am standing on a level floor at the origin of an inertial frame S and kick a frictionless puck due north across the floor. (a) write down the x and y coordinates of the puck as functions of time as seen from my inertial frame. (Use x and y pointing east and north respectively). Now consider two more observers, the first at rest in a frame S' that travels with constant velocity v due to east relative to S, the second at rest in a frame S'' that travels with constant acceleration due east relative to S at that same moment). (b) Find the coordinates x' and y' of the puck and describe the puck's path as seen from S'. (c) Do the same for S''. Which of the frames is inertial?
2. The attempt at a solution
for the frame S : x(t) = 0 and y(t) = v(0).t
for the frame S' : looks like a translation from S