Active Physics 3.9 Speedy Light Quiz

1. The moon is 384,000 km away. How long does it take laser light to reach the moon? Show your calculations.
2. In the "For You to Read" section a woman on a moving cart throws a ball forward. A man watching from the roadside see the speed of the ball as the speed of the cart plus the speed of the ball relative to the cart. Next the woman on the moving cart turns on a forward facing flashlight. What would Einstein say the man on the roadside would observe?