Please answer in complete sentence and show work

A diver leaps from a 50-m cliff into the water below. The cliff is not perfectly vertical, so the diver must travel forward several meters to avoid the rocks beneath him. In fact, he leaps directly forward rather than upward. Explain why a forward leap allows him to miss the rocks. 2. A ball falls from rest for 5 seconds. Neglecting air resistance, during which of the 5 seconds does the ball's speed increase most? 3. An acorn falls from a branch located 9.8 m above the ground. After one second of falling, the acorn's velocity will be 9.8 m/s downward. Why hasn't the acorn hit the ground after one second? 4. If you pull slowly on the top sheet of a pad of paper, the whole pad will move. But if you yank suddenly on that sheet, it will tear away from the pad. What causes these different behaviors? 5. How much does a 60 kg person weigh on Earth? 6. A car with a mass of 1,200 kg experiences a breaking force of 720 N. What acceleration does the car experience? If the car was travelling at 20 m/s when the braking force started, how long will it take for the car to come to rest?