1. Each of two golfers hits a ball at the same speed, one at 60° and the other at 30° above the horizontal. Which ball goes farther? Which hits the ground first? (Ignore air resistance.) 2. Does the...

1. Each of two golfers hits a ball at the same speed, one at 60° and the other at 30° above the horizontal. Which ball goes farther? Which hits the ground first? (Ignore air resistance.)

2. Does the speed of a falling object depend on its mass? Does the speed of a satellite in orbit depend on its mass? Defend your answers.