A penny is dropped from rest from the top of the Willis (Sears) Tower in Chicago. Considering that the height of the building is 427 m and ignoring air resistance, find the speed with which the penny strikes the ground.
Question 2
2.
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before touching the ball?
A diver springs upward with an initial speed of 1.8 m/s from a 3.0-m board.
1
1
Question 5
5.
A very strong, but inept, shot putter puts the shot straight up vertically with an initial velocity of 11.0 m/s. How long does he have to get out of the way if the shot was released at a height of 2.20 m, and he is 1.80 m tall?
Question 3
3.
Find the velocity with which she strikes the water. Note the starting upward velocity is positive
Question 4
4.
What is the highest point she reaches above the water?