1) Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is w
hisked away by a space ship at 90% of the speed of light. After 65 years they are reunited. Will they look the same? Show proof of your answer through math
Because 'distance per second' is a velocity, not an acceleration.
Explanation:
Because 'distance per second' is a velocity, not an acceleration. For example, at 1 m/s an object is travelling a distance of 1 metre every second. But a rate of acceleration is a steady increase in velocity. So at 1 m/s^2, an object's velocity is increasing by 1 m/s every second.
