Free Fall Practice CP
star
star
star
star
star
Last updated over 1 year ago
4 questions
1
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.
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.
1
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?
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
Find the velocity with which she strikes the water. Note the starting upward velocity is positive
Find the velocity with which she strikes the water. Note the starting upward velocity is positive
1
What is the highest point she reaches above the water?
What is the highest point she reaches above the water?