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Tonia

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## Homework Statement

Show that Newton's Second Law is NOT valid in a reference frame moving past the laboratory frame of problem 1 with a constant acceleration?

Problem 1: In a laboratory frame of reference, an observer notes that Newton's Second Law is valid. Show that it is also valid for an observer moving at a constant speed, small compared with the speed of light, relative to the laboratory frame.

dx^1/dt = dx/dt-v

d^2x^1/dt^2= d^2x/dt^2

force new = force old

acceleration = d^2x/dt^2 and if v is constant = dv/dt = 0

## Homework Equations

F = ma

## The Attempt at a Solution

I am not sure how to solve it

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