Chapter 26, Problem 9Q

To determine

The changes you were travelling away from earth at speed 0.5c

Answer to Problem 9Q

Solution:

Heartbeat will be slow thinner or shorter depending on dimension of the body

Explanation of Solution

According to laws of physics same for all inertial observation

However

On earth would see changes

$\begin{array}{l}\gamma =\frac{1}{\sqrt{1-v^2/c^2}}\\ v=0.5\\ \gamma =1.15\end{array}$

Heart beat $15\%$ slow down

Mass increases $15\%$